βαθύ
From LSJ
ἡμῶν δ' ὅσα καὶ τὰ σώματ' ἐστὶ τὸν ἀριθμὸν καθ' ἑνός, τοσούτους ἔστι καὶ τρόπους ἰδεῖν → whatever number of persons there are, the same will be found the number of minds and of characters
Russian (Dvoretsky)
βᾰθύ: τό глубина; τὸ β. τῆς ἡλικίας Arph. пожилой возраст.