Strong's G4289 — πρόθυμος (adjective)
prothumos (proth'-oo-mos) adj.
1. forward in spirit, i.e. predisposed
2. (neuter, as noun) alacrity
[from G4253 and G2372]
KJV: ready, willing 
Root(s): G4253, G2372 
Hebrew root: θυμός
Occurrences: 3