The story
- Latin · derived fromreplicō, replicāre“to fold back”
- Old French · derived fromreplier“to reply”
- Middle English · inherited fromreplyen
- English todayreply
From Middle English replyen, replien, borrowed from Old French replier (“to reply”), from the Latin replicō, replicāre (“to fold back”) (in Late or Medieval Latin "to reply, repeat"), from re + plicō (“to fold”); the noun derives from the verb by nominalisation. Doublet of replicate and replica.
Etymology from Wiktionary, CC BY-SA 4.0.