*SET-U

English word origin

Etymology of toxic

Etymology tree Undeterminedder.? Ancient Greek τόξον (tóxon) Proto-Indo-European *-kos Proto-Hellenic *-kos Ancient Greek -κός (-kós) Ancient Greek -ῐκός (-ĭkós) Ancient Greek τοξῐκός (toxĭkós) Ancient Greek τοξικόν (tox

1 source sectionExtended source reportWiktionary original ↗
In this entry · 1 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

Original entry ↗
adj

Having a chemical nature that is harmful to health or lethal if consumed or otherwise entering into the body in sufficient quantities. · Appearing grossly unwell; characterised by serious, potentially life-threatening compromise in the respiratory, circulatory or other body systems. · Severely negative or harmful. · Of a person, hateful or strongly antipathetic.

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

Etymology tree Undeterminedder.? Ancient Greek τόξον (tóxon) Proto-Indo-European *-kos Proto-Hellenic *-kos Ancient Greek -κός (-kós) Ancient Greek -ῐκός (-ĭkós) Ancient Greek τοξῐκός (toxĭkós) Ancient Greek τοξικόν (toxikón)der. Latin toxicum Proto-Indo-European *-kos Proto-Italic *-kos Latin -cus Latin toxicuslbor. French toxiquebor. English toxic Borrowed from French toxique, from Late Latin toxicus (“poisoned”), from Latin toxicum (“poison”), from Ancient Greek τοξικόν (toxikón) [φάρμακον (phármakon)] ("poison for use on arrows"), from τοξικός (toxikós, “pertaining to arrows or archery”), from τόξον (tóxon, “bow”).

Relationships mentioned by the source

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

Inspect preserved source fields

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

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        "1": "en",
        "2": ":bor",
        "3": "fr:toxique",
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      },
      "expansion": "Etymology tree\nUndeterminedder.?\nAncient Greek τόξον (tóxon)\nProto-Indo-European *-kos\nProto-Hellenic *-kos\nAncient Greek -κός (-kós)\nAncient Greek -ῐκός (-ĭkós)\nAncient Greek τοξῐκός (toxĭkós)\nAncient Greek τοξικόν (toxikón)der.\nLatin toxicum\nProto-Indo-European *-kos\nProto-Italic *-kos\nLatin -cus\nLatin toxicuslbor.\nFrench toxiquebor.\nEnglish toxic\n[Appendix:Glossary#loanword|Borrowed]] from\", \"terms\" : [ { \"children\" : [ { \"keyword_abbrev\" : \"lbor.\", \"keyword_label\" : \"Learned borrowing from\", \"terms\" : [ { \"children\" : [ { \"terms\" : [ { \"children\" : [ { \"keyword_abbrev\" : \"der.\", \"keyword_label\" : \"Derived from\", \"terms\" : [ { \"children\" : [ { \"terms\" : [ { \"children\" : [ { \"terms\" : [ { \"gloss\" : \"bow\", \"children\" : [ { \"keyword_abbrev\" : \"der.\", \"keyword_label\" : \"Derived from\", \"terms\" : [ { \"is_uncertain\" : true, \"lang_name\" : \"Undetermined\", \"status\" : \"ok\", \"children\" : [ ], \"lang\" : \"und\" } ], \"keyword\" : \"derived\" } ], \"lang_name\" : \"Ancient Greek\", \"term\" : \"τόξον\", \"status\" : \"ok\", \"lang\" : \"grc\" }, { \"children\" : [ { \"terms\" : [ { \"children\" : [ { \"terms\" : [ { \"children\" : [ { \"terms\" : [ { \"id\" : \"adjectives\", \"children\" : [ ], \"status\" : \"ok\", \"lang_name\" : \"Proto-Indo-European\", \"term\" : \"*-kos\", \"lang\" : \"ine-pro\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"lang_name\" : \"Proto-Hellenic\", \"term\" : \"*-kos\", \"status\" : \"inline\", \"lang\" : \"grk-pro\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"lang_name\" : \"Ancient Greek\", \"term\" : \"-κός\", \"status\" : \"ok\", \"lang\" : \"grc\" } ], \"keyword_label\" : \"From\", \"keyword\" : \"from\" } ], \"lang_name\" : \"Ancient Greek\", \"term\" : \"-ῐκός\", \"status\" : \"ok\", \"lang\" : \"grc\" } ], \"keyword_label\" : \"From\", \"is_group\" : true, \"keyword\" : \"affix\" } ], \"lang_name\" : \"Ancient Greek\", \"term\" : \"τοξῐκός\", \"status\" : \"ok\", \"lang\" : \"grc\" } ], \"keyword_label\" : \"From\", \"keyword\" : \"from\" } ], \"lang_name\" : \"Ancient Greek\", \"term\" : \"τοξικόν\", \"status\" : \"inline\", \"lang\" : \"grc\" } ], \"keyword\" : \"derived\" } ], \"lang_name\" : \"Latin\", \"term\" : \"toxicum\", \"status\" : \"ok\", \"lang\" : \"la\" }, { \"children\" : [ { \"terms\" : [ { \"id\" : \"adjectival suffix\", \"children\" : [ { \"terms\" : [ { \"is_duplicate\" : true, \"children\" : [ ], \"id\" : \"adjectives\", \"status\" : { \"1\" : \"ine-pro\", \"id\" : \"adjectives\", \"pos\" : \"suffix\" }, \"lang_name\" : \"Proto-Indo-European\", \"term\" : \"*-kos\", \"lang\" : \"ine-pro\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"status\" : \"inline\", \"lang_name\" : \"Proto-Italic\", \"term\" : \"*-kos\", \"lang\" : \"itc-pro\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"lang_name\" : \"Latin\", \"term\" : \"-cus\", \"status\" : \"ok\", \"lang\" : \"la\" } ], \"keyword_label\" : \"From\", \"is_group\" : true, \"keyword\" : \"affix\" } ], \"lang_name\" : \"Latin\", \"term\" : \"toxicus\", \"status\" : \"ok\", \"lang\" : \"la\" } ], \"keyword\" : \"lbor\" } ], \"lang_name\" : \"French\", \"term\" : \"toxique\", \"status\" : \"ok\", \"lang\" : \"fr\" } ], \"keyword\" : \"bor\" } ], \"lang_name\" : \"English\", \"term\" : \"toxic\", \"status\" : \"ok\", \"lang\" : \"en\" }\" data-lang=\"en\" data-title=\"toxic\">"
    },
    {
      "name": "bor",
      "args": {
        "1": "en",
        "2": "fr",
        "3": "toxique"
      },
      "expansion": "French toxique"
    },
    {
      "name": "der",
      "args": {
        "1": "en",
        "2": "la-lat",
        "3": "toxicus",
        "4": "",
        "5": "poisoned"
      },
      "expansion": "Late Latin toxicus (“poisoned”)"
    },
    {
      "name": "der",
      "args": {
        "1": "en",
        "2": "la",
        "3": "toxicum",
        "4": "",
        "5": "poison"
      },
      "expansion": "Latin toxicum (“poison”)"
    },
    {
      "name": "der",
      "args": {
        "1": "en",
        "2": "grc",
        "3": "τοξικόν"
      },
      "expansion": "Ancient Greek τοξικόν (toxikón)"
    },
    {
      "name": "etymon",
      "args": {
        "1": "en",
        "2": ":bor",
        "3": "fr:toxique",
        "tree": "1"
      },
      "expansion": "Etymology tree\nUndeterminedder.?\nAncient Greek τόξον (tóxon)\nProto-Indo-European *-kos\nProto-Hellenic *-kos\nAncient Greek -κός (-kós)\nAncient Greek -ῐκός (-ĭkós)\nAncient Greek τοξῐκός (toxĭkós)\nAncient Greek τοξικόν (toxikón)der.\nLatin toxicum\nProto-Indo-European *-kos\nProto-Italic *-kos\nLatin -cus\nLatin toxicuslbor.\nFrench toxiquebor.\nEnglish toxic"
    }
  ],
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    ],
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    ],
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      "*-kos",
      "Reconstruction:Proto-Hellenic/-kos"
    ],
    [
      "-κός",
      "-κός#Ancient_Greek"
    ],
    [
      "-ῐκός",
      "-ικός#Ancient_Greek"
    ],
    [
      "τοξῐκός",
      "τοξικός#Ancient_Greek"
    ],
    [
      "τοξικόν",
      "τοξικόν#Ancient_Greek"
    ],
    [
      "toxicum",
      "toxicum#Latin"
    ],
    [
      "*-kos",
      "Reconstruction:Proto-Indo-European/-kos#Proto-Indo-European:_adjectives"
    ],
    [
      "*-kos",
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    ],
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    ],
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      "toxique",
      "toxique#French"
    ],
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      "toxicus",
      "toxicus#Latin"
    ],
    [
      "toxicum",
      "toxicum#Latin"
    ],
    [
      "τοξικόν",
      "τοξικόν#Ancient_Greek"
    ],
    [
      "φάρμακον",
      "φάρμακον#Ancient_Greek"
    ],
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      "τοξικός#Ancient_Greek"
    ],
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      "τόξον#Ancient_Greek"
    ]
  ],
  "references": [],
  "descendants": [],
  "lexical": [
    {
      "pos": "adj",
      "glosses": [
        "Having a chemical nature that is harmful to health or lethal if consumed or otherwise entering into the body in sufficient quantities.",
        "Appearing grossly unwell; characterised by serious, potentially life-threatening compromise in the respiratory, circulatory or other body systems.",
        "Severely negative or harmful.",
        "Of a person, hateful or strongly antipathetic."
      ],
      "tags": [
        "figuratively"
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      "sourceRecordOrdinal": 157618
    }
  ],
  "omittedAuxiliaryFields": {
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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.

Contribute located evidence for toxic →

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-dG94aWM