PS

*ṣbγ - to soak, to immerse (Kogan 2001:266)

Akkadian
ṣabû - to soak, irrigate (a field); to bathe, soak (an object) (CAD Ṣ 45)
Arabic
ṣbγ - to dye, to colour, to dip, to immerse (Lane 1647)