διεξίημι
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)
strengthd. for ἐξίημι,
A let pass through, διεξῆκαν αὐτοὺς διὰ τῆς πόλεως Hdt.4.203. II intr., of a river, empty itself, ἐς θάλασσαν Th.2.102 (s.v.l.).