Ofer-swingan

According to the Old English Dictionary:

ofer-swingan

to strike through :-- Ꝥ húru æt his ænde seó biternes and hreówsung oferswunge and geþreáde his mód for his ágenre scylde ut saltem in morte de culpa sua mentem ipsius amaritudo transverberet, Gr. D. 344, 33. ofer-swingan