出典:Wiktionary
出典:『Wiktionary』 (2025/08/04 15:50 UTC 版)
| 800 | ||||
| ← 70 | ← 79 | 80 | 81 → | 90 → |
|---|---|---|---|---|
| 8 | ||||
| Cardinal: eighty Ordinal: eightieth Abbreviated ordinal: 80th Adverbial: eighty times Multiplier: eightyfold |
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From earlier eighteth, from 中期英語 eightithe, eiȝtetithe, eiȝtithe; equivalent to eighty + -eth. For the modern form, see the etymological notes at twentieth.
eightieth (plural eightieths)