Abbott-Smith Manual Greek Lexicon
ψάλλω (G5567)
5 ψάλλω [in LXX chiefly for זמר pi. ( Jg 5:3 , Ps 7:17 , al.), also for נגן pi. ( I Ki 16:16 ff. , al.) ;] to pull, twitch, twang (as a bowstring, etc.; Æsch., Eur., al.), hence, absol., to play a stringed instrument with the fingers (Hdt., Plat., al.); later, to sing to a harp, sing psalms (LXX); in NT, to sing a hymn, sing praise : Ja 5:13 ; c. dat. pers., Ro 15:9 (LXX) , Eph 5:19 ; dat. instr., I Co 14:15 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain