Ge-deorfan

According to the Old English Dictionary:

ge-deorfan

p. -dearf, pl. -durfon; pp. -dorfen To labour :-- Micel ic gedeorfe mullum laboro, Coll. Monast. Th. 20, 25. In Ors. 4, 6; Bos. 86, 3, Heora scipa gedurfon L and C perhaps we should read gedufon sank, cf. 85, 38, gedeáf [gedráf], and Ors. 1, 7; Bos. 30, 24, Ðá gedufon hí ealle and adruncon. [A. R. i-dorven; pp. grieved, injured.] ge-deorfan