reguerdon · verb1
From Anglo-Norman reguerdoner (“to reward”), from re- + guerdoner (“to guerdon”), from Medieval Latin widerdōnum, alteration of widerlōnum, from West Germanic (whence Old High German widarlōn, Old English wiþerlēan), literally ‘back-payment’, with the second element assimilated to Latin dōnum (“gift”).
reguerdon · noun2
From Anglo-Norman reguierdon, from re- + guerdon.
Etymology from Wiktionary, CC BY-SA 4.0.