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出典:Wiktionary
出典:『Wiktionary』 (2026/03/04 19:43 UTC 版)
From 中期英語 fastenen, from 古期英語 fæstnian, from Proto-West Germanic *fastinōn (“to secure, fasten”). Equivalent to fast + -en.
fasten (third-person singular simple present fastens, present participle fastening, simple past and past participle fastened)
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