ἐγκατασκεύως
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
Russian (Dvoretsky)
ἐγκατασκεύως: искусно, надлежащим образом (δηλοῦσά τι λέξις Sext.).