ἀθυμεῖν
From LSJ
ὥστε ὁ βίος, ὢν καὶ νῦν χαλεπός, εἰς τὸν χρόνον ἐκεῖνον ἀβίωτος γίγνοιτ' ἂν τὸ παράπαν → and so life, which is hard enough now, would then become absolutely unendurable
Greek > English (Woodhouse Verbs Reversed)
(see also ἀθυμέω): dejected, despond, be cast down, be dejected, be depressed, be discouraged, be disheartened, be in low spirits, be melancholy, be sad, be sorrowful, lose courage, lose heart
Lexicon Thucydideum
animum despondere, to lose heart, 2.88.3, 6.34.5. 6.80.1. 7.60.5, 7.61.2. 7.76.1. 7.79.3, 8.11.3. 8.76.3. 8.96.2. [Deletum deleted 7.55.1.]
extimescere, to dread greatly, 5.91.1, 7.21.3, [interponitur vulgo commonly inserted τοῦ]