Etymology

clean

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Today it means: Free of dirt, filth, or impurities (extraneous matter); not dirty, filthy, or soiled. Full definition →

Middle English clene ← Old English clǣne ← Proto-West Germanic *klainī
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The story

  1. Proto-West Germanic*klainī
  2. Old Englishclǣne
  3. Middle Englishclene
  4. English todayclean

From Middle English clene, from Old English clāne, clǣne (“clean; pure; clear”), from Proto-West Germanic *klainī (“dainty, fine, small; clean”), perhaps from Proto-Indo-European *glēy- (“gleaming”), from Proto-Indo-European *gel- (“to gleam”). Cognates Cognate with Alemannic German chlei, chli, chlii, chly, klei (“small”), Bavarian gloa, kla, klaa, kloa, kloan (“small; young; insignificant”), Central Franconian and Low German kleen (“small”), Cimbrian khlòan, khlumma (“small”), Dutch and German klein (“small”), Limburgish klein, kléïn (“small”), Luxembourgish kleng (“small”), Mòcheno khloa'n (“small”), Vilamovian klin (“small”), Yiddish קליין (kleyn, “small”), Danish klejn (“delicate, tiny”), Faroese klænur (“slight, slim, thin”), Icelandic klénn (“feeble, poor; indisposed; short; lame; good, pretty, snug”), Norwegian Bokmål klein, klen (“slender; sick; feeble; bad, poor, weak; inept”), Swedish klen (“weak”).

Words from the same roots

Old Englishclāne all →

Clandon

Proto-West Germanic*klainī all →

Proto-Indo-European*glēy- all →

climbclothecleadcleam

Proto-Indo-European*gel- all →

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Etymology from Wiktionary, CC BY-SA 4.0.