κόππα
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)
τό, = Hebr. <*> (Koph), a letter (<*>) standing between π and ρ in early Greek alphabets, IG14.2420, etc.; later displaced by κ, but surviving in Latin as Q and retained in Greek as a numeral = 90, e.g. PSI8.958.24 (iv A. D.): prov.,
A οὐδὲ κόππα γιγνώσκων Parmeno 1.
