ἀραγμός
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)
ὁ,
A clashing, clattering, rattling, A. Th.249; ἀ. πετρῶν crashing shower of stones, E.Ph.1143; στέρνων ἀ. beating of the breast in grief, S.OC1609; ἀ. χεροῖν Lyc.940.—Rare in Prose, Hellanic.167(c)J.