accost (v.) Look up accost at
1570s, "come side-by-side or face-to-face with," for any reason, from Middle French accoster "move up to, come alongside" (Old French acoster), from Late Latin accostare "come up to the side," from Latin ad- "to" (see ad-) + costa "a rib, side" (see coast (n.)). Now usually in the sense "approach and speak to" (1610s). Also picked up in newspaper articles as the verb for a prostitute's solicitation of a customer (1887). Related: Accosted; accosting.