rejuvenesceyoudaoicibaDictYouDict[rejuvenesce 词源字典]
"To become young again. Formerly also specifically of a living cell: †to undergo a reversal of senescence ( obsolete rare )", Mid 19th cent.; earliest use found in Family Magazine. From post-classical Latin rejuvenescere to become young again from classical Latin re- + iuvenis young + -ēscere.[rejuvenesce etymology, rejuvenesce origin, 英语词源]