δορυφορεῖν

From LSJ

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

Source

Greek > English (Woodhouse Verbs Reversed)

(see also δορυφορέω): attend as bodyguard

Lexicon Thucydideum

comitari (de satellitibus), to attend (of followers), 1.130.1.