βάκτρῳ δ' ἐρείδου περιφερῆ στίβον χθονός → support with a staff your steps that waver on the ground
P. and V. ἀθυμία, ἡ, δυσθυμία, ἡ (Plato), P. κατήφεια, ἡ (Thuc.).