Dictionary Definition:
Punāti [cp. Vedic pavate, punāti, pū to cleanse, as in Lat. purus clean, purgo, Ohg. fowen to sift also Gr. pu_r (cp. P. pāvaka)=Ohg. fūir=E. fire, Armen. hur, lit. "cleansing," see also puñña] 1. to clean, cleanse VvA 19 (+visodheti, in def. of puñña). -- 2. to sift J vi.108 (angāraŋ p.=attano sīse angāre p. okirati C.; so read with v. l. for phunati T.); DA i.268 (bhusaŋ pumanto viya like sifting the chaff, winnowing). Cp. puneti.