refundment

From refund +‎ -ment.

refundment (countable and uncountable, plural refundments)

1. The act of refunding.
2. The amount that is refunded.
   • 1823, Elia [pseudonym; Charles Lamb], Elia. Essays which have Appeared under that Signature in The London Magazine, London: […] [Thomas Davison] for Taylor and Hessey, […], →OCLC:

     But some portions of it somehow always stuck so fast, that the denunciators have been fain to postpone the prophecy of refundment to a late posterity

“refundment”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.