An optio (plural optiones; Latin: optio, optiōnēs, from optāre, "to choose", because an optio was chosen by his centurion), sometimes anglicized option (though rarely, to avoid confusion with "option"), was a soldier in the Roman army who held a position similar to that of an executive officer in modern armies. The optio seems to have held a rank roughly equivalent to that of a modern lieutenant, reflective of his status as the second in command ...
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An optio (plural optiones; Latin: optio, optiōnēs, from optāre, "to choose", because an optio was chosen by his centurion), sometimes anglicized option (though rarely, to avoid confusion with "option"), was a soldier in the Roman army who held a position similar to that of an executive officer in modern armies. The optio seems to have held a rank roughly equivalent to that of a modern lieutenant, reflective of his status as the second in command of the century in which he served. The main function of an optio was as an optio centuriae, the second-in-command of a century, although there were many other positions an optio could hold.
Optiones were vital units in the late Roman army, as casualties were often high among centurions due to their position at the front of the century, which made them easy targets. An optio was stationed at the rear of the ranks to keep the troops in order. Their duties would include enforcing the orders of the centurion, supervising his subordinates, and a...
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