ἰσοσθενέω

A. possess equal force, [κινήσεων] κατ’ ἴσον ἀμφοῖν ‐σθενουσῶν Gal. UP 1.19; of arguments, D.L. 9.73; to be equal in strength, of military forces, Ascl. Tact. 3.2,4.