feasance (n.)youdaoicibaDictYouDict[feasance 词源字典]
"the performance of an obligation," 1530s, from Anglo-French fesance, from Old French faisance "action, deed, enactment," from faisant, present participle of faire "to make, do," from Latin facere (see factitious).[feasance etymology, feasance origin, 英语词源]