opunāti

also as opuṇāti (Dh) to winnow, sift; fig. lay bare, expose Dhp.252 (= bhusaṃ opuṇanto viya Dhp-a.iii.375); Snp-a.312
caus opunāpeti [cp. BSk. opunāpeti Mvu.iii.178] to cause to sift AN.i.242; Ja.i.447.

o + punāti fr.