*SET-U

English word origin

Etymology of knife

From Middle English knyf, knif, from late Old English cnīf, from Old Norse knífr or Proto-West Germanic *knīb, from Proto-Germanic *knībaz, from *knīpaną (“to pinch”), Proto-Indo-European *gneybʰ- (compare Lithuanian gný

2 source sectionsExtended source reportWiktionary original ↗
In this entry · 2 source sections

The source etymologies

Wiktionary via Kaikki / Wiktextract

The source reports below are imported and unreviewed by *SET-U. Separate numbered origins and differing source variants are preserved; agreement within this extraction is not independent corroboration.

Unnumbered source etymology · variant 1/2

Original entry ↗
verb

To cut with a knife. · To use a knife to injure or kill by stabbing, slashing, or otherwise using the sharp edge of the knife as a weapon. · To cut through as if with a knife. · To betray, especially in the context of a political slate.

Selected source glosses provide context, not a complete modern definition inventory

From Middle English knyf, knif, from late Old English cnīf, from Old Norse knífr or Proto-West Germanic *knīb, from Proto-Germanic *knībaz, from *knīpaną (“to pinch”), Proto-Indo-European *gneybʰ- (compare Lithuanian gnýbti, žnýbti (“to pinch”), gnaibis (“pinching”)). Displaced native Middle English sax (“knife”), from Old English seax; and Middle English coutel, qwetyll (“knife”) from Old French coutel. * The verb is first attested in 1865. The variant knive is first attested in 1733. Cognates Cognate with Yola kunnife (“knife”), North Frisian knif (“knife”), Dutch knijf (“long pointy knife, poniard”), German Knifte (“rifle; thick slicebread”), German Low German Knief (“knife”), Luxembourgish Knäip (“paring knife”), Danish, Norwegian Bokmål, and Norwegian Nynorsk kniv (“knife”), Faroese knívur (“knife”), Icelandic hnífur, knífur (“knife”), Swedish knif, kniv (“knife”).

Relationships mentioned by the source

These are extracted mentions, not a timeline or a verified sequence of immediate parents.

  • Inherited-form mentionknyfenm
  • Inherited-form mentioncnīfang
  • Derivation mentionknífrnon
  • Derivation mention*knībgmw-pro
  • Derivation mention*knībazgem-pro
  • Derivation mention*gneybʰ-ine-pro
  • Cognate mentiongnýbtilt
  • Non-cognate comparisonsaxenm · knife
  • Non-cognate comparisonseaxang
  • Non-cognate comparisoncoutelenm
  • Non-cognate comparisoncoutelfro
  • Cognate mentionkunnifeyol · knife
  • Cognate mentionkniffrr · knife
  • Cognate mentionknijfnl · long pointy knife, poniard
  • Cognate mentionKniftede · rifle; thick slicebread
  • Cognate mentionKnäiplb · paring knife
  • Cognate mentionknívurfo · knife
  • Cognate mentionhnífuris
  • Cognate mentionknifsv

This page abbreviates 1 auxiliary source items. The etymology narrative is not shortened. Omission counts are available in the audit fields below; consult the original for complete auxiliary material.

Inspect preserved source fields

Raw extraction fields are retained for auditing. Their order does not establish ancestry.

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      "expansion": "Middle English sax (“knife”)"
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    },
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      "name": "cog",
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    },
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      "name": "cog",
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        "1": "nds-de",
        "2": "Knief",
        "t": "knife"
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      "expansion": "German Low German Knief (“knife”)"
    },
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      "name": "cog",
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        "1": "lb",
        "2": "Knäip",
        "t": "paring knife"
      },
      "expansion": "Luxembourgish Knäip (“paring knife”)"
    },
    {
      "name": "cog",
      "args": {
        "1": "da,nb,nn",
        "2": "kniv",
        "t": "knife"
      },
      "expansion": "Danish, Norwegian Bokmål, and Norwegian Nynorsk kniv (“knife”)"
    },
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      "name": "cog",
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        "1": "fo",
        "2": "knívur",
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      "expansion": "Faroese knívur (“knife”)"
    },
    {
      "name": "cog",
      "args": {
        "1": "is",
        "2": "hnífur"
      },
      "expansion": "Icelandic hnífur"
    },
    {
      "name": "cog",
      "args": {
        "1": "sv",
        "2": "knif"
      },
      "expansion": "Swedish knif"
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      "knif",
      "knif#Middle_English"
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      "cnīf",
      "cnif#Old_English"
    ],
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      "knífr",
      "knífr#Old_Norse"
    ],
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      "*knīb",
      "Reconstruction:Proto-West Germanic/knīb"
    ],
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      "Reconstruction:Proto-Germanic/knībaz"
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      "Reconstruction:Proto-Germanic/knīpaną"
    ],
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      "*gneybʰ-",
      "Reconstruction:Proto-Indo-European/gneybʰ-"
    ],
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      "gnybti#Lithuanian"
    ],
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      "žnýbti",
      "žnybti#Lithuanian"
    ],
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      "gnaibis",
      "gnaibis#Lithuanian"
    ],
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      "sax",
      "sax#Middle_English"
    ],
    [
      "seax",
      "seax#Old_English"
    ],
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      "coutel",
      "coutel#Middle_English"
    ],
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      "qwetyll",
      "qwetyll#Middle_English"
    ],
    [
      "coutel",
      "coutel#Old_French"
    ],
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      "knive",
      "knive#English"
    ],
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    ],
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      "knif#North_Frisian"
    ],
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      "knijf#Dutch"
    ],
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      "Knifte",
      "Knifte#German"
    ],
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      "Knief",
      "Knief#Low_German"
    ],
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      "Knäip#Luxembourgish"
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        "To cut with a knife.",
        "To use a knife to injure or kill by stabbing, slashing, or otherwise using the sharp edge of the knife as a weapon.",
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Unnumbered source etymology · variant 2/2

Original entry ↗
noun

A utensil or a tool designed for cutting, consisting of a flat piece of hard material, usually steel or other metal (the blade), usually sharpened on one edge, attached to a handle. The blade may be pointed for piercing. · A weapon designed with the aforementioned specifications intended for slashing or stabbing but too short to be called a sword; a dagger. · Any blade-like part in a tool or a machine designed for cutting, such as that of a chipper.

Selected source glosses provide context, not a complete modern definition inventory

From Middle English knyf, knif, from late Old English cnīf, from Old Norse knífr or Proto-West Germanic *knīb, from Proto-Germanic *knībaz, from *knīpaną (“to pinch”), Proto-Indo-European *gneybʰ- (compare Lithuanian gnýbti, žnýbti (“to pinch”), gnaibis (“pinching”)). Displaced native Middle English sax (“knife”), from Old English seax; and Middle English coutel, qwetyll (“knife”) from Old French coutel. * The verb is first attested in 1865. The variant knive is first attested in 1733. Cognates Cognate with Yola kunnife (“knife”), North Frisian knif (“knife”), Dutch knijf (“long pointy knife, poniard”), German Knifte (“rifle; thick slicebread”), German Low German Knief (“knife”), Luxembourgish Knäip (“paring knife”), Danish, Norwegian Bokmål, and Norwegian Nynorsk kniv (“knife”), Faroese knívur (“knife”), Icelandic hnífur, knífur (“knife”), Swedish knif, kniv (“knife”).

Relationships mentioned by the source

These are extracted mentions, not a timeline or a verified sequence of immediate parents.

  • Inherited-form mentionknyfenm
  • Inherited-form mentioncnīfang
  • Derivation mentionknífrnon
  • Derivation mention*knībgmw-pro
  • Derivation mention*knībazgem-pro
  • Derivation mention*gneybʰ-ine-pro
  • Cognate mentiongnýbtilt
  • Non-cognate comparisonsaxenm · knife
  • Non-cognate comparisonseaxang
  • Non-cognate comparisoncoutelenm
  • Non-cognate comparisoncoutelfro
  • Cognate mentionkunnifeyol · knife
  • Cognate mentionkniffrr · knife
  • Cognate mentionknijfnl · long pointy knife, poniard
  • Cognate mentionKniftede · rifle; thick slicebread
  • Cognate mentionKnäiplb · paring knife
  • Cognate mentionknívurfo · knife
  • Cognate mentionhnífuris
  • Cognate mentionknifsv
Inspect preserved source fields

Raw extraction fields are retained for auditing. Their order does not establish ancestry.

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  "templates": [
    {
      "name": "inh",
      "args": {
        "1": "en",
        "2": "enm",
        "3": "knyf"
      },
      "expansion": "Middle English knyf"
    },
    {
      "name": "inh",
      "args": {
        "1": "en",
        "2": "ang",
        "3": "cnīf"
      },
      "expansion": "Old English cnīf"
    },
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      "args": {
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        "2": "non",
        "3": "knífr"
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      "expansion": "Old Norse knífr"
    },
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      "args": {
        "1": "en",
        "2": "gmw-pro",
        "3": "*knīb"
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      "expansion": "Proto-West Germanic *knīb"
    },
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        "2": "gem-pro",
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      "expansion": "Proto-Germanic *knībaz"
    },
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      "args": {
        "1": "en",
        "2": "ine-pro",
        "3": "*gneybʰ-"
      },
      "expansion": "Proto-Indo-European *gneybʰ-"
    },
    {
      "name": "cog",
      "args": {
        "1": "lt",
        "2": "gnýbti"
      },
      "expansion": "Lithuanian gnýbti"
    },
    {
      "name": "ncog",
      "args": {
        "1": "enm",
        "2": "sax",
        "t": "knife"
      },
      "expansion": "Middle English sax (“knife”)"
    },
    {
      "name": "ncog",
      "args": {
        "1": "ang",
        "2": "seax"
      },
      "expansion": "Old English seax"
    },
    {
      "name": "ncog",
      "args": {
        "1": "enm",
        "2": "coutel"
      },
      "expansion": "Middle English coutel"
    },
    {
      "name": "ncog",
      "args": {
        "1": "fro",
        "2": "coutel"
      },
      "expansion": "Old French coutel"
    },
    {
      "name": "etydate",
      "args": {
        "1": "1865",
        "nocap": "1"
      },
      "expansion": "first attested in 1865"
    },
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      "name": "etydate",
      "args": {
        "1": "1733",
        "nocap": "1"
      },
      "expansion": "first attested in 1733"
    },
    {
      "name": "col-top",
      "args": {
        "1": "2",
        "2": "cog"
      },
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    },
    {
      "name": "cog",
      "args": {
        "1": "yol",
        "2": "kunnife",
        "t": "knife"
      },
      "expansion": "Yola kunnife (“knife”)"
    },
    {
      "name": "cog",
      "args": {
        "1": "frr",
        "2": "knif",
        "t": "knife"
      },
      "expansion": "North Frisian knif (“knife”)"
    },
    {
      "name": "cog",
      "args": {
        "1": "nl",
        "2": "knijf",
        "t": "long pointy knife, poniard"
      },
      "expansion": "Dutch knijf (“long pointy knife, poniard”)"
    },
    {
      "name": "cog",
      "args": {
        "1": "de",
        "2": "Knifte",
        "t": "rifle; thick slicebread"
      },
      "expansion": "German Knifte (“rifle; thick slicebread”)"
    },
    {
      "name": "cog",
      "args": {
        "1": "nds-de",
        "2": "Knief",
        "t": "knife"
      },
      "expansion": "German Low German Knief (“knife”)"
    },
    {
      "name": "cog",
      "args": {
        "1": "lb",
        "2": "Knäip",
        "t": "paring knife"
      },
      "expansion": "Luxembourgish Knäip (“paring knife”)"
    },
    {
      "name": "cog",
      "args": {
        "1": "da,nb,nn",
        "2": "kniv",
        "t": "knife"
      },
      "expansion": "Danish, Norwegian Bokmål, and Norwegian Nynorsk kniv (“knife”)"
    },
    {
      "name": "cog",
      "args": {
        "1": "fo",
        "2": "knívur",
        "t": "knife"
      },
      "expansion": "Faroese knívur (“knife”)"
    },
    {
      "name": "cog",
      "args": {
        "1": "is",
        "2": "hnífur"
      },
      "expansion": "Icelandic hnífur"
    },
    {
      "name": "cog",
      "args": {
        "1": "sv",
        "2": "knif"
      },
      "expansion": "Swedish knif"
    }
  ],
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    [
      "knyf",
      "knyf#Middle_English"
    ],
    [
      "knif",
      "knif#Middle_English"
    ],
    [
      "cnīf",
      "cnif#Old_English"
    ],
    [
      "knífr",
      "knífr#Old_Norse"
    ],
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      "*knīb",
      "Reconstruction:Proto-West Germanic/knīb"
    ],
    [
      "*knībaz",
      "Reconstruction:Proto-Germanic/knībaz"
    ],
    [
      "*knīpaną",
      "Reconstruction:Proto-Germanic/knīpaną"
    ],
    [
      "*gneybʰ-",
      "Reconstruction:Proto-Indo-European/gneybʰ-"
    ],
    [
      "gnýbti",
      "gnybti#Lithuanian"
    ],
    [
      "žnýbti",
      "žnybti#Lithuanian"
    ],
    [
      "gnaibis",
      "gnaibis#Lithuanian"
    ],
    [
      "sax",
      "sax#Middle_English"
    ],
    [
      "seax",
      "seax#Old_English"
    ],
    [
      "coutel",
      "coutel#Middle_English"
    ],
    [
      "qwetyll",
      "qwetyll#Middle_English"
    ],
    [
      "coutel",
      "coutel#Old_French"
    ],
    [
      "knive",
      "knive#English"
    ],
    [
      "kunnife",
      "kunnife#Yola"
    ],
    [
      "knif",
      "knif#North_Frisian"
    ],
    [
      "knijf",
      "knijf#Dutch"
    ],
    [
      "Knifte",
      "Knifte#German"
    ],
    [
      "Knief",
      "Knief#Low_German"
    ],
    [
      "Knäip",
      "Knäip#Luxembourgish"
    ],
    [
      "Danish",
      "kniv#Danish"
    ],
    [
      "Norwegian Bokmål",
      "kniv#Norwegian_Bokmål"
    ],
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      "kniv",
      "kniv#Norwegian_Nynorsk"
    ],
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      "knívur",
      "knívur#Faroese"
    ],
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      "hnífur",
      "hnífur#Icelandic"
    ],
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      "knífur",
      "knífur#Icelandic"
    ],
    [
      "knif",
      "knif#Swedish"
    ],
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      "kniv",
      "kniv#Swedish"
    ]
  ],
  "references": [],
  "descendants": [
    {
      "lang": "Sranan Tongo",
      "lang_code": "srn",
      "word": "nefi"
    },
    {
      "lang": "Japanese",
      "lang_code": "ja",
      "word": "ナイフ",
      "raw_tags": [
        "borrowed"
      ]
    },
    {
      "lang": "Korean",
      "lang_code": "ko",
      "word": "나이프",
      "raw_tags": [
        "borrowed"
      ],
      "roman": "naipeu"
    },
    {
      "lang": "Portuguese",
      "lang_code": "pt",
      "word": "naifa",
      "raw_tags": [
        "borrowed"
      ]
    },
    {
      "lang": "Samoan",
      "lang_code": "sm",
      "word": "naifi",
      "raw_tags": [
        "borrowed"
      ]
    }
  ],
  "lexical": [
    {
      "pos": "noun",
      "glosses": [
        "A utensil or a tool designed for cutting, consisting of a flat piece of hard material, usually steel or other metal (the blade), usually sharpened on one edge, attached to a handle. The blade may be pointed for piercing.",
        "A weapon designed with the aforementioned specifications intended for slashing or stabbing but too short to be called a sword; a dagger.",
        "Any blade-like part in a tool or a machine designed for cutting, such as that of a chipper."
      ],
      "tags": [],
      "recordId": "da993775fe1908e779148440346c7dd98cda2303821a94af7588925673642c2f",
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Where this record stops

This page does not supply an independently verified sound-change sequence, first-use manuscript or complete family tree unless a cited analysis explicitly establishes one. Missing detail here is a limit of this record—not a claim that humanity knows nothing more.

An older meaning does not determine what a word must mean today. Follow the sources, preserve disagreements, and keep ancestry separate from interpretation.

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Source and snapshot

Imported from Wiktionary contributors; extracted by Tatu Ylonen / Wiktextract / Kaikki.org. Selected fields are reformatted and grouped; wording, source identity and etymology sections are retained. CC-BY-SA-4.0 applies to the imported source material.

Dump: 2026-10-01 · Extracted: 2026-10-30. These are snapshot dates, not the word’s first attestation or the page’s revision date.

Source entry and bibliography ↗Wiktionary revision history ↗Acquisition and rights ledger
Machine-source provenance
Source SHA-256
5ff2c072f8099f2d2ce484bd6957bf179f046d2ad37bc36555edf8bb84cb5291
Import run
73216b9a9b78ed3830994bf853103716f5a4dc57099e371e9f8fdc468facca26
Permanent entry ID
w-a25pZmU