出典:Wiktionary
出典:『Wiktionary』 (2026/04/05 19:42 UTC 版)
Borrowed from Russian космона́вт (kosmonávt), from Ancient Greek κόσμος (kósmos, “universe”) + ναύτης (naútēs, “sailor”). By surface analysis, cosmo- + -naut.
cosmonaut (plural cosmonauts)
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名詞の変化形:
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