Mandaic

binat, binia, bit, abinia - between, betwixt (MD 61)

PWS
*bayna - between (Arakelova 2001:45, Kogan 2015: 80)
An eventual relationship between the preposition *bayna and the PWS verbal root *byn ‘to (be) separate(d)’ (DRS 62) is not in doubt (Kogan 2015: 80)