pahaṃsati
Pahaṃsati1
to strike, beat (a metal), rub, sharpen (a cutting instrument, as knife, hatchet, razor etc.) Ja.i.278 Ja.ii.102 (pharasuṃ); Dhp-a.i.253 (khuraṃ pahaṃsi sharpened the razor; corresponds to ghaṭṭeti in preceding context)
pp pahaṭṭha1 & pahaṃsita1 (q.v.).
pa + haṃsati1 = ghaṃsati1, of ghṛṣ to rub, grind
Pahaṃsati2
to be pleased, to rejoice; only in pp. pahaṭṭha2 & pahaṃsita2 (q.v.), and in Pass. pahaṃsīyati to be gladdened, to exult Mil.326 (+ kuhīyati). See also sam˚.
pa + haṃsati2 = hassati, of hṛṣ to be glad, cp. ghaṃsati2