θελημοσύνη
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)
ἡ,= θέλησις, PMag.Par.1.2921 (pl.).
Greek Monolingual
θελημοσύνη, ἡ (Α) θελήμων
πάπ. η θέληση.