Of-

According to the Old English Dictionary:

of-

in such words as of-georn">as a prefix modifies the words to which it is attached in many ways. Amongst these may be noticed (1) its intensive force in such words as of-georn, of-langod, of-lysted, of-calen, of-hyngrod, of-þyrsted. (2) its unfavourable force in of-lícian, of-unnan, of-þyncan. (3) the idea of attainment which it gives to (a) verbs of motion as of-faran, of-féran, of-irnan, of-rídan: (b) verbs of inquiring, calling, etc., as of-áxian, of-clypian, of-spyrian. (4) the force of (a) killing which it gives to verbs of striking, throwing, falling, etc., as of-feallan, of-hnítan, of-hreósan, of-sceótan, of-stician, of-stingan: (b) injury which it gives to verbs denoting rest as of-licgan, of-sittan, or those denoting action as of-settan, of-tredan. of,of-