ἐνδιαδύνω
From LSJ
Δύο γὰρ, ἐπιστήμη τε καὶ δόξα, ὧν τὸ μὲν ἐπίστασθαι ποιέει, τὸ δὲ ἀγνοεῖν → Two different things are science and belief: the one brings knowledge, the other ignorance
Spanish (DGE)
introducirse, penetrar εὐλαβῆσαι δεῖ τοῦτο τὸ πάθος διὰ τὸ ἐνδιαδύνειν ἔσω ἐπὶ τὸν πνευμόνα Hippiatr.Cant.90.1.