For-spendan

According to the Old English Dictionary:

for-spendan

p. de; pp. ed [for-, spendan to spend] To spend utterly, to consume; consūmĕre :-- Swíðost ealle hys spéda hý forspendaþ they squander almost all his property. Ors. 1. 1; Bos. 22, 45. for-spendan