ἀθυμεῖν
From LSJ
Θεῷ μάχεσθαι δεινόν ἐστι καὶ τύχῃ → Obsistere est difficile fortunae et deo → Mit Gott zu kämpfen ist gefährlich und dem Glück
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]