A.purging: hence, of dross, Arist.Mete.383b4, cf. Str.4.2.1; of animal secretions, Arist.GA726a13, cf. HA587b1; “ἀποκαθάρσεις χολῆς” Th.2.49.
2. cleansing, “πνεύματος” Gp.12.22.11; sifting of grain, PRev.Laws 39.10 (iii B.C.), PLond.ined.2361r (iii B.C.).