νεφόομαι
From LSJ
θεωρεῖται δὲ ἀνοησίᾳ κρείττονι νοήσεως → it is grasped only by means of an ignorance superior to intellection, it may be immediately cognised only by means of a non-intellection superior to intellection
English (LSJ)
Pass.,
A to be clouded over, Nic.Dam.68 J., Ph.2.21, Adam.Vent.35, Porph.Antr.27: metaph., νενεφωμένα βουλεύοντες Man.4.518.