G4759 στρατοπεδάρχης (stratopedárchēs)

KJV renderings: captain of the guard
Strong's definition: a ruler of an army, i.e. (specially), a Prætorian præfect
Derivation: from G4760 (στρατόπεδον) and G757 (ἄρχω);

From James Strong's public-domain dictionaries (G), JSON edition by OpenScriptures (CC-BY-SA). Every dotted-underline word in the text links here.