extravaganza (n.)youdaoicibaDictYouDict[extravaganza 词源字典]
1754 in reference to peculiar behavior, 1794 of a fantastic type of performance or writing, from Italian extravaganza, literally "an extravagance," from estravagante, from Medieval Latin extravagantem (see extravagant). Related: Extravaganzist.[extravaganza etymology, extravaganza origin, 英语词源]