parissāvana

water strainer, filter (one of the requisites of a bhikkhu) Vin.i.209 Vin.ii.119 and passim; Ja.i.198; Ja.iii.377; Mnd.226; Dhp-a.iii.260 (udaka˚); Vv-a.40, Vv-a.63; Sdhp.593.

fr. pari + Caus. of sru