Abbott-Smith Manual Greek Lexicon
ἐπικουρία (G1947)
1 ** ἐπικουρία , -ας, ἡ ( ἐπικουρέω to be an ἐπίκουρος , an ally ) [in LXX: Wi 13:18 * ;] aid, assistance : Ac 26:22 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain