cosmonaut
UK /ˈkɒz.məˌnɔːt/ · US /ˈkɑz.məˌnɔt/ noun
Forms cosmonauts
Synonyms
Etymology
Borrowed from Russian космона́вт (kosmonávt), from Ancient Greek κόσμος (kósmos, “universe”) + ναύτης (naútēs, “sailor”). By surface analysis, cosmo- + -naut.
Sources: Wiktionary · WordNet 3.0 — from the Wiktionary entry “cosmonaut”, CC BY-SA 4.0. Details