ἀκροβύστης
From LSJ
τῶν Λειβηθρίων ἀμουσότερος → more uncultured than Leibethrans, more uncultured than the people of Leibethra, lowest degree of mental cultivation
Spanish (DGE)
-ου, ὁ incircunciso, Ἀδάμ ... ἀ. μὲν τῇ σαρκί, οὐκ εἰδωλολάτρης δὲ ᾖν Epiph.Const.Haer.2.4.