purbus from Spanish polvo n English Powder. Example sentence Tagbanwa Tunawun mu i purbus baw inmun. English Dissolve the powder and drink it. v Affixes mag-, m-, -un, i-, -an English To shave powder (from a consolidated block or tablet with a knife). Example sentence Tagbanwa In may bungad, pagpurbusun nira i penicillin. English If they have a wound, they shave off powder from a penicillin tablet.