luxuriant (adj.)youdaoicibaDictYouDict[luxuriant 词源字典]
1530s, from Middle French luxuriant and directly from Latin luxuriantem (nominative luxurians), present participle of luxuriare "have to excess, grow profusely" (see luxuriate). Related: Luxuriantly.[luxuriant etymology, luxuriant origin, 英语词源]