δυσεπίθετος
From LSJ
Περὶ τοῦ ἐπέκεινα τοῦ νοῦ κατὰ μὲν νόησιν πολλὰ λέγεται, θεωρεῖται δὲ ἀνοησίᾳ κρείττονι νοήσεως → On the subject of that which is beyond intellect, many statements are made on the basis of intellection, but it may be immediately cognised only by means of a non-intellection superior to intellection
English (LSJ)
ον,
A hard to attack, Aen.Tact.Praef.2.
German (Pape)
[Seite 679] schwer anzugreifen, Sp.
Greek (Liddell-Scott)
δυσεπίθετος: -ον, δυσπρόβλητος, Αἰν. Τακτ. προοίμ. σ. 1.