perherciare Save DMLBS perherciare [CL per-+herciare < OF hercier] , to harrow completely. c1230 debet ‥ herciare ‥ quamdiu aliquid remanet herciandum, donec ~iatum fuerit (Cust. Povington) Doc. Bec 62; cottarii ‥ debent ‥ terram plenarie ~iare Reg. S. Aug. 79.