to cause to accept, to offer, to regale, serve with; ger. sampavāretvā Vin.i.18; Vin.ii.128; DN.i.109; aor. sampavāresi DN.ii.97.

saṃ + pavāreti; cp. BSk. saṃpravārayati Divy.285, Divy.310, etc.; Avs.i.90; Mvu.iii.142