Ge-þerscan

According to the Old English Dictionary:

ge-þerscan

p. -þearsc, pl. -þurscon To strike, beat, thrash :-- Geþearsca cædere, Mk. Skt. Lind. 14, 65. To geþearscanne, 15, 15. Geþurscon cederunt, 12, 3: Mt. Kmbl. Lind. 21, 35. ge-þerscan