rejuvenate
v.
1807, irregular formation from re- "again" + Latin juvenis (see young, adj.) + -ate(2). Related: Rejuvenated; rejuvenating.
〔李〕[re-;juven;-atev.] v.使返老还童； 使复原； 使更生 ←juven (L juvenis)=young 年青的
〔蒋〕[re-再，juven年轻，-ate动词后缀;’再年轻”] 返老还童，使返老还童，恢复活力