μηδὲν κοτυλίζειν, ἀλλὰ καταπάττειν χύδην → not to sell by the cupful, but to dole out indiscriminately | not to sell by retail but wholesale
οῦσα, όν :part. prés. de ἔπειμι².
see ἔπειμ Od. 9.2.