ведь

From LSJ

νοεῖν γάρ ἐστι κρεῖττον καὶ σιγὴν ἔχειν → it's better, you see, to understand and yet say nothing (Menander)

Source

Russian > Greek

θήν, νή, ἐπειδήπερ, ἐπείπερ, δέ, γοῦν, γε, ἀλλά