Greek word
stratopedárchēs
στρατοπεδάρχης
What it means
a ruler of an army, i.e., a Prætorian præfect
a ruler of an army, i.e. (specially), a Prætorian præfect
Where it comes from
from stratópedon (στρατόπεδον) and árchō (ἄρχω)
How the King James translates it
Every place it appears 1
Acts28:16