invigorateyoudaoicibaDictYouDict[invigorate 词源字典]
invigorate: see vigour
[invigorate etymology, invigorate origin, 英语词源]
invigorate (v.)youdaoicibaDictYouDict
1640s, from in- (2) + vigor + -ate (2). Earlier verb was envigor (1610s). Related: Invigorated; invigorating.