Þurh-swógan

According to the Old English Dictionary:

þurh-swógan

to press through, penetrate, pervade :-- Ealle ða fúllnessa ðæs ðýstran ofnes ðe mé ǽr ðurhsweógh(-swég, Bd. M. 430, 6 note) omnem foetorem tenebrosae fornacis, qui me pervaserat, Bd. 5, 12; S. 629, 21. þurh-swogan