出典:Wiktionary
出典:『Wiktionary』 (2026/02/24 23:17 UTC 版)
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| Cardinal: eightetene Ordinal: eightetenthe, eightetethe |
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Inherited from 古期英語 eahtatēoþa, from Proto-West Germanic *ahtudō tehundō, itself from Proto-Germanic *ahtudô tehundô; by surface analysis, eighte (“eight”) + tithe (“tenth, tithe”).