κιθαρῳδεῖν

From LSJ

ἐφ' ὅσον αὐτοῦὑπόστασις τῶν χρόνων ὑπῆρχεν → as long as his store of years lasted

Source

Greek > English (Woodhouse Verbs Reversed)

(see also κιθαρῳδέω): sing to the harp