ἴνεσι
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)
French (Bailly abrégé)
dat. pl. de ἴς.
English (Autenrieth)
see ἴς.
Russian (Dvoretsky)
ἴνεσι: эп. dat. pl. к ἴς.