recoup (v.)youdaoicibaDictYouDict[recoup 词源字典]
1620s, from French recouper "to cut back" (12c.), from Old French re- "back" (see re-) + couper "to cut," from coup "a blow" (see coup). Originally a legal term meaning "to deduct;" sense of "to recompense for loss or expense" first recorded 1660s. Related: Recouped; recouping.[recoup etymology, recoup origin, 英语词源]