immitigable (adj.)youdaoicibaDictYouDict[immitigable 词源字典]
1570s, from Latin immitigabilis, from assimilated form of in- "not" (see in- (1) + mitigabilis, from past participle stem of mitigare "make mild or gentle" (see mitigate). Related: Immitigably.[immitigable etymology, immitigable origin, 英语词源]