A-gitan

According to the Old English Dictionary:

a-gitan

p. -geat, pl. -geáton, -géton; pp. -giten [a away, gitan to get] To destroy, abolish, subvert; destruere, exstinguere, subvertere :-- He ageat gylp wera he destroyed the vaunt of men, Cd. 169; Th. 210, 12; Exod. 514. HI heafodgirnrne agéton they destroyed the gem of the head, Andr. Reed. 63; [aguton, Grm. 32; Kmbl. 63.] a-gitan,agitan