μετεκβαίνω
From LSJ
φιλοσοφίαν καινὴν γὰρ οὗτος φιλοσοφεῖ → this man adopts a new philosophy
English (LSJ)
A go from one into another, μετεκβαίνεσκε (Ion. impf.) ἐκ τοῦ ἅρματος ἐς ἁρμάμαξαν Hdt.7.41, cf. 100; εἰς πλοῖον Antipho 5.21. 2 in speaking, pass on, μ. εἰς ἕτερόν τινα λόγον Pl.Lg.642b, cf. 935a. 3 c. acc., μ. φθόγγον pass from one note to another, AP 12.187 (Strat.).