Ge-fullfremman (-fremian)

According to the Old English Dictionary:

ge-fullfremman (-fremian)

to accomplish, complete, perpetrate :-- Gefulfreme ꝥ perfice illud, Scint. 201, 5. Þ UNCERTAIN hé gefulfremige þá gód þe hé beginne, Hml. A. 150, 154. Synn byþ gefullfremmed (perpetratur), Scint. 228, 10. ge-fullfremman -fremian