Extended Strong's Greek Lexicon (Abbott-Smith based)
eager
Usage: πρόθυμος, -ον [in LXX: 1Ch.28:21, 2Ch.29:31 (נָדִיב), Hab.1:8 (חוּשׁ), al. ;] willing, ready: Mat.26:41, Mrk.14:38; neut., τὸ π. = ἡ προθυμία (Thuc., al., 3Ma.5:26), οὕτως τὸ κατ᾽ ἐμὲ (= cl. τὸ ἐμὸν) π., Rom.1:15 (but see ICC, in l).† (AS)