出典:Wiktionary
800 | ||||
← 70 | ← 79 | 80 | 81 → | 90 → |
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8 | ||||
Cardinal: eighty Ordinal: eightieth Adverbial: eighty times Multiplier: eightyfold |
From earlier eighteth, from Middle English eightithe, eiȝtetithe, eiȝtithe; equivalent to eighty + -eth. For the modern form, see the etymological notes at twentieth.
eightieth (複数形 eightieths)