G2789
κιθαρίζω
to play the harp
κιθαρίζω [in LXX: Isa.23:16 (נָגַן pi.)* ;] to play upon the lyre or harp: 1Co.14:7, Rev.14:2.† (AS)
The KJV translates G2789 in the following manner:
harped (2x), harping (2x)
Full Thayer's lexicon entry
κιθαρίζω — kitharízō
κιθαρίζω; present passive participle κιθαριζόμενος; to play upon the harp ((see the preceding word)): with ἐν ταῖς κιθάραις added (A. V. harping with their harps), Rev 14:2; τό κιθαριζόμενον, what is harped, 1Co 14:7. (Isa 23:16; in the Greek writings from Homer, Iliad 18, 570 down.)
2 occurrences
I Corinthians (1), Revelation of John (1)