fault-finding (n.)youdaoicibaDictYouDict[fault-finding 词源字典]
1620s, from verbal phrase find fault (with) (late 14c.); see fault (n.) + find (v.). Related: Fault-finder (1560s).[fault-finding etymology, fault-finding origin, 英语词源]
animadverteryoudaoicibaDictYouDict
"A person who animadverts; a censurer, fault-finder; an unfavourable critic or commentator", Mid 17th cent.; earliest use found in John Milton (1608–1674), poet and polemicist. From animadvert + -er.