Strong's G120 — ἀθυμέω (verb)
athumeo (ath-oo-meh'-o) v.
1. to be spiritless, i.e. disheartened
[from a compound of G1 (as a negative particle) and G2372]
KJV: be dismayed 
Root(s): G1, G2372 
Hebrew root: θυμός
Occurrences: 1