FROM STRONG’S GREEK DICTIONARY (1890)

Strong’s Greek Dictionary (1890) — public domain, printed whole.

prothumos πρόθυμος — proth'-oo-mos — from 4253 and 2372; forward in spirit, i.e. predisposed; neuter (as noun) alacrity:--ready, willing.

see GREEK for 4253

see GREEK for 2372