Abbott-Smith Manual Greek Lexicon
εὐφροσύνη (G2167)
2 εὐφροσύνη , -ης, ἡ ( εὔφρων , cheerful ) [in LXX chiefly for שִׂמְחָה ;] rejoicing, gladness : Ac 2:28 (LXX) 14:17 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain