munificence (n.)youdaoicibaDictYouDict[munificence 词源字典]
early 15c., from Middle French munificence, from Latin munificentia "bountifulness, liberality, generosity," from stem of munificus "generous, bountiful, liberal," literally "present-making," from munus "gift or service, duty, office" (see municipal) + unstressed stem of facere "to do" (see factitious).[munificence etymology, munificence origin, 英语词源]