出典:Wiktionary
出典:『Wiktionary』 (2025/07/07 15:48 UTC 版)
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| Cardinal: fifty Ordinal: fiftieth Abbreviated ordinal: 50th Adverbial: fifty times Multiplier: fiftyfold |
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From earlier fifteth, from 中期英語 fiftithe, fyftith; equivalent to fifty + -eth. For the modern form, see the etymological notes at twentieth.
fiftieth (plural fiftieths)