inclement (adj.)youdaoicibaDictYouDict[inclement 词源字典]
1660s, from French inclément and directly from Latin inclementem (nominative inclemens) "harsh, unmerciful," from in- "not, opposite of, without" (see in- (1)) + clementem "mild, placid." "Limitation to weather is curious" [Weekley].[inclement etymology, inclement origin, 英语词源]