出典:Wiktionary
出典:『Wiktionary』 (2026/05/09 17:11 UTC 版)
Synchronically equivalent to tight + -en, but actually derived from 中期英語 tighten, from 古期英語 tyhtan, thus originally unrelated to tight (古期英語 *þiht).
tighten (third-person singular simple present tightens, present participle tightening, simple past and past participle tightened)
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動詞の活用形:
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