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
fōcāle: is, n. for faucale from fauces,
I a neck-cloth, cravat, worn by sick or effeminate persons, Hor. S. 2, 3, 255; Quint. 11, 3, 144; Mart. 14, 142.
fōcālĕ,¹⁶ is, n. (fauces), cravate [pour protéger la gorge] : Hor. S. 2, 3, 255.