attendant (n.)youdaoicibaDictYouDict[attendant 词源字典]
1550s, "one who waits upon," from the adjective, or from Middle French atendant, noun use of present participle of atendre (see attend).[attendant etymology, attendant origin, 英语词源]
attendant (adj.)youdaoicibaDictYouDict
late 14c., "solicitous, attentive," see attendant (n.). Sense of "serving under, accompanying in a dependant position" is from c. 1400.