defalcation (n.)youdaoicibaDictYouDict[defalcation 词源字典]
mid-15c., from Medieval Latin defalcationem (nominative defalcatio), noun of action from past participle stem of defalcare, from de- + Latin falx, falcem "sickle, scythe, pruning hook" (see falcate).[defalcation etymology, defalcation origin, 英语词源]