δυσκολοπέραστος
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
Greek Monolingual
-η, -ο
1. αυτός που δύσκολα περνιέται («δυσκολοπέραστο ποτάμι»)
2. αυτός που δύσκολα περνά («δυσκολοπέραστη ζωή»).