Δεκελειόθεν
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
Spanish (DGE)
adv. de Decelia Lys.23.2, Call.Fr.272.
Russian (Dvoretsky)
Δεκελειόθεν: adv. Lys. = Δεκελεῆθεν.