*SET-U

English word origin

Etymology of muddy

The adjective is derived from Late Middle English muddi, moddy, muddy (“covered with or full of mud, muddy”), from mud, mudde (“mud; turbid water”) + -i (suffix forming adjectives). Mud, mudde is possibly borrowed from M

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.

Source etymology 1

Original entry ↗
verb

To cover or splash (someone or something) with mud. · To make (water or some other liquid) cloudy or turbid by stirring up mud or other sediment. · To confuse (a person or their thinking); to muddle. · To damage (a person or their reputation); to sully, to tarnish.

adj

Covered or splashed with, or full of, mud (“wet soil”). · Of water or some other liquid: containing mud or (by extension) other sediment in suspension; cloudy, turbid. · Of or relating to mud; also, having the characteristics of mud, especially in colour or taste. · Soiled with feces.

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

The adjective is derived from Late Middle English muddi, moddy, muddy (“covered with or full of mud, muddy”), from mud, mudde (“mud; turbid water”) + -i (suffix forming adjectives). Mud, mudde is possibly borrowed from Middle Dutch modde, and/or Middle Low German modde, mudde, from Proto-Germanic *mud-, *mudra- (“mud”), possibly from Proto-Indo-European *mū-, *mew- (“moist”). The English word is analysable as mud + -y (suffix meaning ‘having the quality of’ forming adjectives). Doublet of muddle. The verb is derived from the adjective. cognates * Middle Low German moddich, muddich (German Low German muddig (“muddy; mouldy”))

Relationships mentioned by the source

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

  • Root classification mention*mew-ine-pro
  • Inherited-form mentionmuddienm
  • Derivation mentionmoddedum
  • Derivation mentionmoddegml
  • Derivation mention*mud-gem-pro
  • Derivation mention*mū-ine-pro
  • Doublet mentionmuddleen
  • Cognate mentionmoddichgml

This page abbreviates 19 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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  "templates": [
    {
      "name": "root",
      "args": {
        "1": "en",
        "2": "ine-pro",
        "3": "*mew-"
      },
      "expansion": ""
    },
    {
      "name": "glossary",
      "args": {
        "1": "adjective"
      },
      "expansion": "adjective"
    },
    {
      "name": "inh",
      "args": {
        "1": "en",
        "2": "enm",
        "3": "muddi"
      },
      "expansion": "Middle English muddi"
    },
    {
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      "args": {
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      },
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    },
    {
      "name": "glossary",
      "args": {
        "1": "adjective"
      },
      "expansion": "adjective"
    },
    {
      "name": "der",
      "args": {
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        "2": "dum",
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      },
      "expansion": "Middle Dutch modde"
    },
    {
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      "args": {
        "1": "en",
        "2": "gml",
        "3": "modde"
      },
      "expansion": "Middle Low German modde"
    },
    {
      "name": "der",
      "args": {
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        "2": "gem-pro",
        "3": "*mud-"
      },
      "expansion": "Proto-Germanic *mud-"
    },
    {
      "name": "der",
      "args": {
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        "2": "ine-pro",
        "3": "*mū-"
      },
      "expansion": "Proto-Indo-European *mū-"
    },
    {
      "name": "suffix",
      "args": {
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        "2": "mud",
        "3": "y",
        "pos2": "suffix meaning ‘having the quality of’ forming adjectives",
        "id2": "adjectival"
      },
      "expansion": "mud + -y (suffix meaning ‘having the quality of’ forming adjectives)"
    },
    {
      "name": "sup",
      "args": {
        "1": "2"
      },
      "expansion": "²"
    },
    {
      "name": "doublet",
      "args": {
        "1": "en",
        "2": "muddle"
      },
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    },
    {
      "name": "glossary",
      "args": {
        "1": "verb"
      },
      "expansion": "verb"
    },
    {
      "name": "col-top",
      "args": {
        "1": "2",
        "2": "cognates"
      },
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    },
    {
      "name": "cog",
      "args": {
        "1": "gml",
        "2": "moddich"
      },
      "expansion": "Middle Low German moddich"
    },
    {
      "name": "cog",
      "args": {
        "1": "nds-de",
        "2": "muddig",
        "t": "muddy; mouldy"
      },
      "expansion": "German Low German muddig (“muddy; mouldy”)"
    }
  ],
  "links": [
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      "muddi",
      "muddi#Middle_English"
    ],
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      "muddy#Middle_English"
    ],
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      "mud",
      "mud#Middle_English"
    ],
    [
      "mudde",
      "mudde#Middle_English"
    ],
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      "-i",
      "-i#Middle_English"
    ],
    [
      "modde",
      "modde#Middle_Dutch"
    ],
    [
      "modde",
      "modde#Middle_Low_German"
    ],
    [
      "mudde",
      "mudde#Middle_Low_German"
    ],
    [
      "*mud-",
      "Reconstruction:Proto-Germanic/mud-"
    ],
    [
      "*mudra-",
      "Reconstruction:Proto-Germanic/mudra-"
    ],
    [
      "*mū-",
      "Reconstruction:Proto-Indo-European/mū-"
    ],
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      "*mew-",
      "Reconstruction:Proto-Indo-European/mew-"
    ],
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      "mud",
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    ],
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      "-y",
      "-y#English:_adjectival"
    ],
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      "muddle",
      "muddle#English"
    ],
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      "moddich",
      "moddich#Middle_Low_German"
    ],
    [
      "muddich",
      "muddich#Middle_Low_German"
    ],
    [
      "muddig",
      "muddig#Low_German"
    ]
  ],
  "references": [],
  "descendants": [],
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        "To cover or splash (someone or something) with mud.",
        "To make (water or some other liquid) cloudy or turbid by stirring up mud or other sediment.",
        "To confuse (a person or their thinking); to muddle.",
        "To damage (a person or their reputation); to sully, to tarnish."
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        "Covered or splashed with, or full of, mud (“wet soil”).",
        "Of water or some other liquid: containing mud or (by extension) other sediment in suspension; cloudy, turbid.",
        "Of or relating to mud; also, having the characteristics of mud, especially in colour or taste.",
        "Soiled with feces."
      ],
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}

Source etymology 2

Original entry ↗
noun

The edible mud crab or mangrove crab (Scylla serrata).

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

From mud (crab) + -y (diminutive suffix).

Inspect preserved source fields

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

{
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      "name": "vern",
      "args": {
        "1": "mangrove crab"
      },
      "expansion": "mangrove crab"
    },
    {
      "name": "taxfmt",
      "args": {
        "1": "Scylla serrata",
        "2": "species"
      },
      "expansion": "Scylla serrata"
    },
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      "expansion": "diminutive"
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      "name": "glossary",
      "args": {
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      "expansion": "suffix"
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        "id2": "diminutive"
      },
      "expansion": "mud (crab) + -y (diminutive suffix)"
    },
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      "name": "sup",
      "args": {
        "1": "3"
      },
      "expansion": "³"
    }
  ],
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    ],
    [
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      "Australia"
    ],
    [
      "Queensland",
      "Queensland"
    ],
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      "mud crab#English"
    ],
    [
      "-y",
      "-y#English:_diminutive"
    ]
  ],
  "references": [],
  "descendants": [],
  "lexical": [
    {
      "pos": "noun",
      "glosses": [
        "The edible mud crab or mangrove crab (Scylla serrata)."
      ],
      "tags": [
        "Australia",
        "New-South-Wales",
        "informal"
      ],
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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.

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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-bXVkZHk