ἀθυμέω G120
athyméō · ath-oo-meh'-o · Verb
from a compound of Α (as a negative particle) and θυμός; to be spiritless, i.e. disheartened:--be dismayed.
1 Occurrence in the King James Bible
Colossians 3:21Fathers, provoke not your children to anger, lest they be discouraged.