As God moves in his majesty the various nations are struck with fear, as of old were the peoples that heard of the Exodus (see Exodus 15:14-16). I saw. In prophetic vision (1 Kings 22:17). The tents of Cushan; LXX..
σκηνώματα αἰθίοτων "the tents of the Ethiopians;" Vulgate, tentoria AEthiopiae. "Cushan" is not Chushan-Rishathaim, the Mesopotamian king mentioned in 3:1-31; but is a lengthened form of Cush (as Lotan for Lot, Genesis 36:20), the biblical name for Ethiopia.
Here the African country is meant, lying along the west coast of the Red Sea. In affliction. Panic-stricken. The prophet particularizes what he had said above generally of the nations hostile to the people of God.
The curtains; the tent curtains; Vulgate, pelles. Both "tents" and "curtains" are used by metonymy for their inhabitants. Midian. The country on the Gulf of Akaba, the eastern arm of the Red Sea. Ethiopia and Midian are named, as God is supposed to advance from the south.