If I whet my sword — If once I begin to prepare for war and for the execution of my sentence. Judgment — Of the instruments of judgment, of the weapons of war. A metaphor from warriors, that take their weapons into their hand, when they intend to fight.
Related Commentaries of Deuteronomy 32:41
Deuteronomy 32:41
41 If I whet my glittering sword, and mine hand take hold on judgment; I will render vengeance to mine enemies, and will reward them that hate me.