Where does “ꦲꦶꦩ꧀ꦧꦁ” come from?

ꦲꦶꦩ꧀ꦧꦁ (Javanese) comes from Old Javanese himbaṅ, from Proto-Malayo-Polynesian *imbaŋ.

ꦲꦶꦩ꧀ꦧꦁ (Javanese): side, border, edge, slope