κολυμβήθρα
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)
ἡ,
A place for diving, swimming-bath, Pl.R.453d, D.S.11.25; κ. μύρου Alex.300. II wine-vat, tun, D.S.13.83. III reservoir, cistern, LXX 4 Ki.18.17. IV baptismal font, POxy.147 (vi A.D.).
German (Pape)
[Seite 1476] ἡ, Ort zum Untertauchen, zum Baden; Plat. Rep. V, 453 d; κολυμβᾶν εἰς κολυμβήθραν μύρου Alexis bei Ath. I, 18 c; Sp., wie D. Sic. 4, 78. 11, 25.