*SET-U

English word origin

Etymology of addled

From Middle English addled, adyld, equivalent to addle (“urine, liquid filth”) + -ed. Addle derives from Old English adel, adela (“mud, mire, liquid manure”), cognate with Old Swedish adel (“urine”), Middle Low German ad

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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

Bad, rotten; inviable, containing a dead embryo. · Confused; mixed up. · Morbid, corrupt, putrid, or barren.

verb

simple past and past participle of addle

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

From Middle English addled, adyld, equivalent to addle (“urine, liquid filth”) + -ed. Addle derives from Old English adel, adela (“mud, mire, liquid manure”), cognate with Old Swedish adel (“urine”), Middle Low German adel, Dutch aal (“manure”). Used in noun phrase addle egg (mid-13c.) “egg that does not hatch, rotten egg”, lit. “urine egg”, a calque of Latin ovum urinum, which is itself an erroneous calque of Ancient Greek οὔριον ᾠόν (oúrion ōión, “putrid egg”, literally “wind egg”), from οὔριος (oúrios, “of the wind”), from οὖρος (oûros, “fair wind”) (confused by Roman writers with οὔριος (oúrios, “of urine”), from οὖρον (oûron, “urine”)). Because of this usage, the noun in English was taken as an adjective from c. 1600, meaning “putrid”.

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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      "name": "inh",
      "args": {
        "1": "en",
        "2": "enm",
        "3": "addled"
      },
      "expansion": "Middle English addled"
    },
    {
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    },
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        "3": "",
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    },
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        "nocap": "1"
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    },
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      "οὖρος#Ancient_Greek"
    ],
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    ],
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    ]
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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 addled →

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-YWRkbGVk