This organization was as old as the time of Moses Numbers 31:14; Deuteronomy 1:15, and prevailed among the Philistines also 1 Samuel 29:2. The civil and military divisions were identical, and the civil officers were the same as the captains of thousands, hundreds, fifties, and tens, in time of war.
To ear his ground - literally, “to plow his plowing.” “To ear” is an old English word, now obsolete, for to plow.