All of which is extraneous to the question, "Did armies use volleys of arrows?". If the French-speaking English commanders at Agincourt told their archer capta

All of which is extraneous to the question, "Did armies use volleys of arrows?". If the French-speaking English commanders at Agincourt told their archer captains to "Laissez-y" instead of "Fire!", what difference does that make? (For context, King Henry V of Agincourt fame is considered to probably have been the first English monarch who spoke English as a mother tongue, and may have been the first who was remotely proficient in it.)