repeat (v.) Look up repeat at Dictionary.com
late 14c., from Old French repeter "say or do again, get back, demand the return of" (13c.), from Latin repetere "do or say again; attack again," from re- "again" (see re-) + petere "to go to; attack; strive after; ask for, beseech" (see petition (n.)). Specific meaning "to take a course of education over again" is recorded from 1945, American English. Related: Repeated; repeating.
repeat (n.) Look up repeat at Dictionary.com
1550s, from repeat (v.).