despondency
From LSJ
Ἀναξαγόρας δύο ἔλεγε διδασκαλίας εἶναι θανάτου, τόν τε πρὸ τοῦ γενέσθαι χρόνον καὶ τὸν ὕπνον → Anaxagoras used to say that we have two teachers for death: the time before we were born and sleep | Anaxagoras said that there are two rehearsals for death: the time before being born and sleep
subs.
P. and V. ἀθυμία, ἡ, δυσθυμία, ἡ (Plat.), P. κατήφεια, ἡ (Thuc.) , see despair.