Pavecchati
Pavecchati,[most likely (as suggested by Trenckner,Notes 61) a distortion of payacchati (pa+yam) by way of *payecchati›pavecchati (cp.sa-yathā›seyyathā).Not with Morris,J.P.T.S.1885,43 fr.pa+vṛṣ,nor with Müller P.Gr.120 fr.pa+viṣ (who with this derivation follows the P.Commentators,e.g.J.III,12 pavesati,deti; SnA 407 (pavesati paṭipādeti); Geiger P.Gr.§ 152,note 3 suggests (doubtfully) a Fut.stem (of viś?)] to give,bestow S.I,18; Sn.463 sq.,490 sq.; Th.2,272; J.I,28; III,12 (v.l.pavacchati),172; IV,363; VI,502,587 (vuṭṭhi-dhāraṁ pavecchanto devo pāvassi tāvade; v.l.pavattento); Pv.II,943 (=deti PvA.130); II,970 (=pavatteti ibid.139); II,107 (=deti ibid.144); Miln.375.
another dern suggested by Dr.Barnett in J.R.A.S.1924,186 is=Sk.pra-vṛścati.(Page 445)