What is the Latin word for refund?

The usual Latin words for “refund” are reddō, pecūnia. The right choice depends on the sense; see the distinctions below.

English → Latin

“refund” in Latin

reddōto give back, return, restore; to give up, hand over, deliver, render, provide, assign; to surrender, relinquish, delive pecūniamoney; wealth; cash, ready money, liquid wealth

The English word refund itself goes back to Latin fundō, through refundere.

Riddle & Arnold A Copious and Critical English–Latin Lexicon, 1864

refund

reddere (pecuniam): to refund anything to the last penny, reddere ad assem (e.g., alicui impensum).

Quick answer

What is the Latin word for refund?: The usual Latin words for “refund” are reddō, pecūnia. The right choice depends on the sense; see the distinctions below.

Entry from J. E. Riddle & T. K. Arnold, A Copious and Critical English–Latin Lexicon (rev. C. Anthon, New York: Harper, 1864), digitised by Fergus J. P. Walsh, CC BY-SA 4.0; Latin markup adapted by latindictionary.co.