atsúgr
nafnorðkarlkynat-súgr
m. prop. pressure [súgr] caused by crowding; now freq. in the phrase, göra a. að e-m, to mob one.
β. the phrase, bora frekan atsúg um e-t (where the metaphor is taken from boring), to deal harshly with, pierce through to the marrow, Orkn. 144: cp. Fms. vii. 29.