exuberance (n.)youdaoicibaDictYouDict[exuberance 词源字典]
1630s, "an overflowing," from French exubérance (16c.), from Late Latin exuberantia "superabundance," noun of state from exuberare "be abundant, grow luxuriously" (see exuberant). Usually figurative in English, especially of joy, happiness, etc. Exuberancy attested from 1610s.[exuberance etymology, exuberance origin, 英语词源]