ebullience (n.)youdaoicibaDictYouDict[ebullience 词源字典]
1749, from Latin ebullientem (nominative ebulliens) "a boiling, a bursting forth, overflow," present participle of ebullire "to boil over" (see ebullient). Related: Ebulliency (1670s), ebullition (c. 1400).[ebullience etymology, ebullience origin, 英语词源]