Bóc-weorc

According to the Old English Dictionary:

es;

bóc-weorc

n. Literary work, study :-- Bisceopes dægweorc, ꝥ bið mid rihte his gebedu ǽrest, and ðonne his bócweorc, rǽding oððon rihting, lár oððon leornung, Ll. Th. ii. 314, 19. boc-weorc