They shall waste. — Literally, feed upon, consume, depasture. The Land of Nimrod represents the opposing world-power.
Related Commentaries of Micah 5:6
Micah 5:6
6 And they shall wasted the land of Assyria with the sword, and the land of Nimrod in the entrances thereof: thus shall he deliver us from the Assyrian, when he cometh into our land, and when he treadeth within our borders.