αἶπος

A. height, steep, A. Ag. 285,309, etc.; πρὸς αἶπος ὁδοιπορῆσαι, ἰέναι to toil up-hill, Hp. Morb. 2.51,70; πρὸς αἶπος ἔρχεται, metaph. of a difficult task, E. Alc. 500: hence αἶ. (v.l. ἆπος )ἐκβαλὼν ὁδοῦ, i.e. the weariness of the ascent (expl. by Hsch. as κάματος), Id. Ph. 851 (unless ἐκβαλών = 'forgetting').