колеблющийся
From LSJ
οὗτος ἐγὼ ταχυτᾶτι· χεῖρες δὲ καὶ ἦτορ ἴσο → this is my speed: my hands and heart are its equal, such am I for speed; my hands and heart are just as good
Russian > Greek
παλίνδρομος, διαπορητικός, ἀμφίβουλος, εὐμετάστατος, διχόθυμος, δίψυχος, ἀπορητικός, σφαλερός, ἀμφιβόητος, πλάγιος, ὑγρός