sambāhati

to rub shampoo Ja.i.293; Ja.ii.16; Ja.iv.431; Ja.v.126; also sambāheti Mil.241;
caus sambāhāpeti to cause to shampoo Vin.iv.342;
ppr sambāhanta Ja.vi.77;
aor sambāhi Ja.i.293 Cp. pari˚.

saṃ + bāhati; Kern,

Toevoegselen

s. v. disputes relation to vah, but connects it with bāh “press”