προμήνυσις
From LSJ
εἰ γάρ κεν καὶ σμικρὸν ἐπὶ σμικρῷ καταθεῖο καὶ θαμὰ τοῦτ᾽ ἔρδοις, τάχα κεν μέγα καὶ τὸ γένοιτο → for if you add only a little to a little and do this often, soon that little will become great (Hesiod W&D, 361-362)
English (LSJ)
εως, ἡ,
A prediction, τοῦ μέλλοντος Iamb.Myst.10.3: in Medicine, = πρόγνωσις11.b, Hippiatr.Prooem.