κατάτρησις
From LSJ
Οἱ βασιλεῖς τῇ ἐγκυκλοπαιδείᾳ, αὐτὴ τοῖς βασιλεῦσι (Salamanca inscription) → The kings for the university, and the university for the kings
English (LSJ)
εως, ἡ,
A aperture, mostly pl., Epicur. ap. Placit.2.20.14, Dsc.5.102, Gal.7.728, al., Erot. s.v. σπόγγοι.
German (Pape)
[Seite 1386] ἡ, das Durchbohren, Sp.; das Loch, Epicur. bei Plut. plac. phil. 2, 20 E.