Late Middle English (in an earlier sense). From Anglo-Norman and Middle French reddicion, Middle French reddition, redicion action of giving back or surrendering and its etymon classical Latin redditiōn-, redditiō act of giving back, restoration, return, (in grammar) answering clause in a comparison, in post-classical Latin also recompense (Vetus Latina) from reddit-, past participial stem of reddere to give back + -iō.