ἀδιεξίτητος
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, (διέξειμι)
A that cannot be exhausted, infinite in extent or duration, Arist.Ph.207b29, cf. Alex.Aphr.in Top. 86.27, Plot.2.4.7, al.; αἰών Ph.1.554. 2 with no outlet, ἄγυια Orib.9.20.3.