νηλίπους
From LSJ
ἀγεωμέτρητος μηδεὶς εἰσίτω → no one ignorant of geometry may enter, let no one ignorant of geometry enter, let no one ignorant of geometry come in
English (LSJ)
[ῐ], ὁ, ἡ, gen. ποδος,
A unshod, barefooted, ἄσιτος ν. τ' ἀλωμένη S.OC349 codd., cf. Max. Tyr. 30.6: νήλῐπος, ον, A.R.3.646, Lyc.635, prob. l. for νήλυπος in Lyd. Mag.1.42; cf. ἀνήλιπος. (Deriv. by Sch.Theoc.4.56 from νη-, ἦλιψ without shoe.)