Besma

According to the Old English Dictionary:

besma

Add; bisme, bysm :-- Besma scopa, Txts. 95, 1794. Bisme scops, Wrt. Voc. i. 16, 5. Bysm verriculum vel scopae, 27, 11. Hé hæfde fiþru swylce þyrnen besma. Shrn. 122, 28. Hé sceal habban . . . besman, Angl. ix. 263, 7. [O. L. Ger. besmo verriculum.] besma