- replication (n.)
- late 14c., "action of folding back," also "legal reply, rejoinder," from Anglo-French replicacioun, Old French replicacion, from Latin replicationem (nominative replicatio) "a reply, repetition, a folding back," from past participle stem of replicare "to repeat, reply," literally "to fold back" (see reply (v.)). Meaning "copy, reproduction" first recorded 1690s.