Definition of refundment in English:
refundment
noun rɪˈfʌndm(ə)ntˈriːfʌndm(ə)nt(ˌ)riːˈfʌndm(ə)nt
The action or an act of refunding something; repayment.
Origin
Mid 17th century; earliest use found in Edward Waterhouse (1619–1670), heraldic writer. From refund + -ment.