Beadu-serce

According to the Old English Dictionary:

an;

beadu-serce

f. A war-shirt, coat of mail; bellica tunica, lorica :-- Ic gefrægn sunu Wihstánes beran beadusercean I heard that Wihstan's son bore the coat of mail, Beo. Th. 5503; B. 2755. beadu-serce