ἤϊος
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)
ὁ, epith. of Phoebus,
A ἤϊε Φοῖβε Il.15.365, 20.152, h.Ap.120. (Prob. from the cry ἤ, ἤ, cf. ἰήϊος.)