Martian (adj.)youdaoicibaDictYouDict[Martian 词源字典]
late 14c., marcien "of the planet Mars" (originally in reference to astrological influence), from Latin Martius "sacred to Mars; pertaining to the planet Mars," from Mars (genitive Martis). The noun meaning "an inhabitant of the planet Mars" is attested from 1883.[Martian etymology, Martian origin, 英语词源]