Meaning

noun money returned to a payer

noun the act of returning money received previously

verb pay back

originFrom Middle English refunden, refounden, from Old French refondre, refonder, refunder (“to restore; pay back”), from Latin refundere; prefix re- (“re-”) + fundere (“to pour”): compare French refondre, refonder. See fuse (“to melt”), and compare refound (“to cast again”), and refuse.

Etymology from Wiktionary, CC BY-SA 3.0