παραμένω
παρμένω
[παρα- 2.]
3 sing. aor. παρέμεινε Il. 11.402.
To remain with (a person), keep (him) company.
With dat. : οὐκέτι τοι δύναμαι παρμενέμεν Il. 15.400.
So to stand by in the fight : οὐδέ τις αὐτῷ Ἀργείων παρέμεινεν Il. 11.402. Cf. Il. 13.151.