Abbott-Smith Manual Greek Lexicon
ἀθυμέω (G120)
1 ἀθυμέω , -ῶ ( ἄ-θυμος , without heart ), [in LXX for חרה , etc.;] to be disheartened : Col 3:21 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain
Strong's G120 · Greek
ἀθυμέω
athumeo · ath-oo-meh'-o
from a compound of 1 (as a negative particle) and 2372; to be spiritless, i.e. disheartened