καταβατός
From LSJ
ὅταν δὲ τἄμ' ἀθυμήσαντ' ἴδῃς, σύ μου τὸ δεινὸν καὶ διαφθαρὲν φρενῶν ἴσχναινε παραμυθοῦ θ' → whenever you see me despondent over my situation, do what you can to lessen and relieve what is wild and senseless in my thinking | whenever you see me despondent, you must cure the grim derangement of my mind and encourage me
English (LSJ)
ή, όν,
A descending, steep, ὁδός Sch.A.R. 2.353, cf. Porph.Antr.23; v. καταιβατός. II καταβατόν, τό, = σελίς, Hdn.Epim.2, 122, cf. Hsch. s.v. σελίς.