μετανάστασις
From LSJ
οἵ γε καὶ ἐν τῷ παρόντι ἀντιπάλως μᾶλλον ἢ ὑποδεεστέρως τῷ ναυτικῷ ἀνθώρμουν → whose navy, even as it was, faced the Athenian more as an equal than as an inferior
English (LSJ)
εως, ἡ,
A migration, in pl., Hp.Aër.20, Th.1.2, 2.16, X.Mem.3.5.12, Str.3.4.19: sg., of the soul, Ph.1.91: metaph., μεταναστάσεις τῆς γνώμης Procop.Arc.22.