remercy

From Middle French remercier.

• (Received Pronunciation) IPA^(key): /ɹɪˈməːsi/

remercy (third-person singular simple present remercies, present participle remercying, simple past and past participle remercied)

1. (transitive, now rare) To thank (someone).
   • 1590, Edmund Spenser, The Faerie Qveene. […], London: Printed [by John Wolfe] for VVilliam Ponsonbie, OCLC 960102938, book II, canto XI:

     She him remercied as the Patrone of her life.

• mercery