Ἀβδηριτικόν
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
Russian (Dvoretsky)
Ἀβδηριτικόν: τό ирон. нечто абдеритское, т. е. глупость Cic.