Ecg-bana

According to the Old English Dictionary:

-bona, an;

ecg-bana

m. A sword-killer, murderer; glădio cædens, occīsor :-- Cain gewearþ to ecgbanan ángan bréðer Cain became the murderer of his only brother, Beo. Th. 2528; B. 1262. Ecg-bona, 5006; B. 2506. ecg-bana