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