ἄκερσος
From LSJ
μηδὲν κοτυλίζειν, ἀλλὰ καταπάττειν χύδην → not to sell by the cupful, but to dole out indiscriminately | not to sell by retail but wholesale
Spanish (DGE)
-ον
sin esquilar de las ovejas ἀπὸ τῶν θηλείων ἔστιν ἄκ[ερ] σος PMasp.141.3re.11 (VI d.C.) en BL 4.14.