An Etymological Dictionary of the German Language/Banse
Banse, f., ‘space in a barn near the threshing-floor,’ from MidG. and LG.; the word is wanting in MidHG. and OHG. From *bans- arose AS. bôs. E. dial. boose (boosy, ‘cattle-trough’), and OIc. bâss, ‘cow-house.’ The Goth. has bansts, f., ‘barn,’ in which the stem has been increased by the deriv. -ti-.