REBATE

I. verb (~d; rebating) Etymology: Middle English, from Anglo-French rebatre, rabatre to beat back, deduct, from re- + abatre to strike down, from a- (from Latin ad-) + batre to beat, from Latin battuere Date: 14th century transitive verb to reduce the force or activity of ; diminish , to reduce the sharpness of ; blunt , 3. to make a ~ of, to give a ~ to, intransitive verb to give ~s, ~r noun II. noun Date: 1656 a return of a part of a payment, see: rabbet