Tó-þerscan

According to the Old English Dictionary:

tó-þerscan

þ. -þærsc, pl. þurscon To knock to pieces :-- Ðá com him swilc wind ongeán, swilce nán mann ǽr ne gemunde, and ða scipo ealle tóbeót and tóþræsc, Chr. 1009; Erl. 142, 5. to-þerscan