toxarch
The captain of a group of archers in ancient Greece, particularly the mercenaries at Athens.
[…] that the post of toxarch had to be filled afresh three times in one year. At the opening of the campaign it was held by Clearchus, Attalus being in command of the Agrianians.
Where it comes from
From Ancient Greek τόξαρχος (tóxarkhos, “captain of the archers”) (see τόξον (tóxon) and -arch).
Adapted from the Wiktionary entry toxarch (CC BY-SA 4.0).