ἀποκάθαρσις
From LSJ
Τα βιβλία τα παρά των ξένων επαίδευε τους εν τη αγορά ανθρώπους, τους Ομήρου φίλους → The others' books educated the people in the marketplace, the friends of Homer.
English (LSJ)
εως, ἡ,
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.). II lustration, expiation, Plu.Rom.21, Iamb.Comm.Math.15; νείκους Hierocl.in CA24p.473M.