*SET-U

English word origin

Etymology of cos

Clipping of cos lettuce, variously derived from the Greek island of Kos and from Arabic خس (ḵass, “lettuce”).

6 source sectionsExtended source reportWiktionary original ↗
In this entry · 6 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 ↗
noun

Synonym of romaine lettuce, a long-leaved variety of lettuce.

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

Clipping of cos lettuce, variously derived from the Greek island of Kos and from Arabic خس (ḵass, “lettuce”).

Relationships mentioned by the source

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

  • Derivation mentionخسar
Inspect preserved source fields

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

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Source etymology 2

Original entry ↗
conj

Informal spelling of 'cause (“because”).

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

No narrative was extracted for this section. Available source templates and references appear below; no ancestor chain has been invented to fill the gap.

Inspect preserved source fields

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

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Source etymology 3

Original entry ↗
noun

Alternative form of coz, cousin.

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

Clipping of cousin.

Inspect preserved source fields

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

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Source etymology 4

Original entry ↗
det

Belonging to co. Gender-neutral possessive determiner, grammatically equivalent to the gendered his and her and the singular their.

noun

plural of co

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

Etymology tree English companyclip. English co Proto-Germanic *-as Proto-West Germanic *-as Old English -es Middle English -es English -s English cos From co + -s.

Inspect preserved source fields

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

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Source etymology 5

Original entry ↗
noun

Alternative form of coss, a traditional Nepali unit of distance.

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

No narrative was extracted for this section. Available source templates and references appear below; no ancestor chain has been invented to fill the gap.

Inspect preserved source fields

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

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Source etymology 6

Original entry ↗
noun

Cosmetology.

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

Clipping of cosmetology.

Inspect preserved source fields

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

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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 cos →

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-Y29z