Ge-wealdes

According to the Old English Dictionary:

ge-wealdes

adv. [gen. of ge-weald power] Of one's power, of one's own accord, willingly; sponte :-- Gif man hine sylfne gewealdes ofslihþ si quis sponte seipsum occiderit, L. M. I. P. 13; Th. ii. 268, 15. Se ðe his gewealdes monnan ofsleá he who slays a man of his own accord, L. Alf. 13; Th. i. 46, 21, 26. Eówres gewealdes quod ex vobis est, Past. 46, 7, 8; Swt. 355, 19, 20, 25; Hat. MS. ge-wealdes