early 14c., "inferior officer in the church," from Old French acolite or directly from Medieval Latin acolytus (Late Latin acoluthos), from Greek akolouthos "following, attending on," literally "having one way," from a- "together with," copulative prefix, + keleuthose "a way, road, path, track," from PIE *qeleu- (cognates: Lithuanian kelias "way"). In late Old English as a Latin word.