ψάλλω
[in LXX chiefly for זמר pi. (Jg 5:3, Ps 7:17, al.), also for נגן pi. (I Ki 16:16ff., al.);]
1. to pull, twitch, twang (as a bowstring, etc.; Æsch., Eur., al.), hence,
2. absol.,
(a) to play a stringed instrument with the fingers (Hdt., Plat., al.);
(b) 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.†