Strong's G1543 — ἑκατοντάρχης (noun)
hekatontarches (hek-at-on-tar'-khace) (or  hekatontarchos  hek-at-on'-tar-khos) n.
1. the captain of one hundred men
[from G1540 and G757]
KJV: centurion 
Root(s): G1540, G757 
Hebrew root: ἄρχω
Occurrences: 20