Be-beorgan

According to the Old English Dictionary:

be-beorgan

p. -bearg, pl. -burgon ; pp. -borgen To defend oneself, to take care; cavere ab aliqua re :-- He him bebeorgan ne con wóm he cannot defend himself against the evil, Beo. Th. 3497; B. 1746 : 3520; B. 1758. be-beorgan