ἰσοκέφαλος
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
English (LSJ)
ον,
A like-headed, dub. in Ibyc.16.
German (Pape)
[Seite 1264] gleichköpfig, Ibyc. 15.