abuse (v.) Look up abuse at Dictionary.com
early 15c., from M.Fr. abuser, from V.L. *abusare, from L. abusus, pp. of abuti "use up," also "misuse," from ab- "away" + uti "use" (see use). Specifically of drugs, from 1968. The noun is first recorded mid-15c., from Fr. abus (14c.).