unmerited (adj.)youdaoicibaDictYouDict[unmerited 词源字典]
1640s, from un- (1) "not" + past participle of merit (v.).
"An ingenuous mind feels in unmerited praise the bitterest reproof. If you reject it you are unhappy, if you accept it you are undone." [Walter Savage Landor, "Imaginary Conversations"]
[unmerited etymology, unmerited origin, 英语词源]