surcease (v.)youdaoicibaDictYouDict[surcease 词源字典]
early 15c., "cease from an action, desist," from Anglo-French surseser, Old French sursis, past participle of surseoir "to refrain, delay," from Latin supersedere "forbear, refrain or desist from" (see supersede). The English spelling with -c- was influenced by the unrelated verb cease. As a noun from 1580s.[surcease etymology, surcease origin, 英语词源]