出典:Wiktionary
出典:『Wiktionary』 (2026/04/28 00:34 UTC 版)
From 中期英語 kene (“bold, brave, sharp”), from 古期英語 cēne (“keen, fierce, bold, brave, warlike, powerful; learned, clever, wise”), from Proto-Germanic *kōniz (“knowledgeable, skilful, experienced, clever, capable”), from Proto-Indo-European *ǵneh₃- (“to know”).
Cognate with Danish køn (“handsome, pretty”), Dutch kien (“smart, wise, able”), koen (“daring, valiant, doughty, courageous”), German kühn (“bold, daring, audacious, hardy, valiant, venturesome”), Icelandic kænn (“wise, crafty, clever, able”), Faroese kønur (“expert (in, on), experienced, skilful, able, capable”), Scots keen (“lively, brisk; avaricious”). Related to 古期英語 cunnan (“to know how to, be able to”). More at cunning, can.
keen (comparative keener or more keen, superlative keenest or most keen)
Keen is often used to create compounds, the meaning of most of them being fairly obvious, for example, keen-edged, keen-eyed, keen-sighted, keen-witted, etc.
keen (third-person singular simple present keens, present participle keening, simple past and past participle keened)
keen (third-person singular simple present keens, present participle keening, simple past and past participle keened)
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