Webster's Revised Unabridged Dictionary · 1913

Remercie

Remercie (re-mẽr"sy) , transitive verb

[French remercier; pref. re- re- + Old French mercier to thank, from Old French & French merci. See Mercy.]

To thank. [Obsolete]
She him remercied as the patron of her life. — Spenser

Also: Remercy