lethargia
From LSJ
ἐὰν ἐκπέσῃ τὸ σιδήριον καὶ αὐτὸς πρόσωπον ἐτάραξεν καὶ δυνάμεις δυναμώσει καὶ περισσεία τοῦ ἀνδρείου σοφία (Ecclesiastes 10:10, LXX version) → If the iron axe fails, and the man has furrowed his brow, he will gather his strength, and the redoubling of his manly vigor will be the wise thing.
Latin > English (Lewis & Short)
lēthargĭa: ae, f., = ληθαργία>,
I drowsiness, lethargy, Cael. Aur. Acut. 1, 6, 49; 2, 9, 45.