Un-from

According to the Old English Dictionary:

un-from

adj. Not strong, feeble, weak :-- Ðæt hé sleac wǽre, æðeling unfrom, Beo. Th. 4382; B. 2188. Eágan ðíne gesáwon ðæt ic ealles was unfrom on ferhþe imperfectum meum viderunt oculi tui, Ps. Th. 138, 14. un-from