PolluxyoudaoicibaDictYouDict[Pollux 词源字典]
twin brother of Castor, name of the beta star of Gemini, 1520s, from Latin, from Greek Polydeukes, literally "very sweet," from polys "much" (see poly-) + deukes "sweet" (see glucose). The contraction of the name in Latin is perhaps via Etruscan [Klein].[Pollux etymology, Pollux origin, 英语词源]