effervescence
n.
1650s, "the action of boiling up," from French effervescence (1640s), from Latin effervescentem, present participle of effervescere "to boil up, boil over," from ex- "out" (see ex-) + fervescere "begin to boil," from fervere "be hot, boil" (see brew). Figurative sense of "liveliness" is from 1748. Related: Effervescency.
〔李〕[ef-(ex-);ferv;-escencen.] n.冒泡； 生气勃勃 ←ferv (L fervere)=to boil 沸
〔蒋〕[ef-加强意义， ferv沸，-escence抽象名词后缀] 冒泡，起泡(沫)，泡腾