Ge-bregdness

According to the Old English Dictionary:

(-brégdness?), e;

ge-bregdness

f. Suddenness of movement or action (or terror) :-- Þonne árísað ealle þá men, þá þe mid gebregdnessum on deáþe swulton (those who died with suddenness (with terrifying circumstances): the cases mentioned are deaths by burning, drowning, hanging, slaying, by wild beasts), Verc. Först. 117, 17. ge-bregdness