per-purgo (ante-class. perpūrĭgo, v. Ritschl, Opusc. 2, 426 sqq.), āvi, ātum, 1, v. a., to cleanse or purge thoroughly, to make quite clean.
I Lit.: alvum, Cato R. R. 115: se, Cic. N. D. 2, 50, 127: perpurgata ulcera, Cels. 5, 26, n. 36: perpurigatis auribus, i. e. with the greatest attention , Plaut. Mil. 3, 1, 179.—
II Trop., to clear up , explain : locus orationis perpurgatus ab iis, qui ante me dixerunt, Cic. Mur. 26, 54: crimina, id. Scaur. 8, 14; cf. id. Div. 2, 1, 2.— Absol. : de dote tanto magis perpurga, settle , arrange , Cic. Att. 12, 12, 1.