CUSH in OT designates Ethiopia, and is the only name used there for that region. It is the same as the Egyptian Kash or Kesh. Broadly speaking, it answers to the modern Nubia. More specifically, the Egyptian Kash extended southwards from the first Cataract at Syene (Eze 29:10), and in the periods of widest extension of the empire it embraced a portion of the Sudan. It was conquered and annexed by Egypt under the 12th Dynasty (c. b.c. 2000) and remained normally a subject country. After the decline of the 22nd (Libyan) Dynasty, the Cushites became powerful and gradually encroached on northern Egypt, so that at length an Ethiopian dynasty was established (the 25th, 728
The name of the second river is Gihon; it flows around the whole land of Cush.
The sons of Ham were Cush and Mizraim and Put and Canaan.
Now Cush became the father of Nimrod; he became a mighty one on the earth.
Then Joab said to the Cushite, "Go, tell the king what you have seen." So the Cushite bowed to Joab and ran.
When he heard them say concerning Tirhakah king of Cush, "Behold, he has come out to fight against you," he sent messengers again to Hezekiah saying,
Now Zerah the Ethiopian came out against them with an army of a million men and 300 chariots, and he came to Mareshah.
Then the LORD stirred up against Jehoram the spirit of the Philistines and the Arabs who bordered the Ethiopians;
Alas, oh land of whirring wings Which lies beyond the rivers of Cush,
"Can the Ethiopian change his skin Or the leopard his spots? Then you also can do good Who are accustomed to doing evil.
Then all the officials sent Jehudi the son of Nethaniah, the son of Shelemiah, the son of Cushi, to Baruch, saying, "Take in your hand the scroll from which you have read to the people and come " So Baruch the son of Neriah took the scroll in his hand and went to them.
But Ebed-melech the Ethiopian, a eunuch, while he was in the king's palace, heard that they had put Jeremiah into the cistern Now the king was sitting in the Gate of Benjamin;
therefore, behold, I am against you and against your rivers, and I will make the land of Egypt an utter waste and desolation, from Migdol to Syene and even to the border of Ethiopia.
"Are you not as the sons of Ethiopia to Me, O sons of Israel?" declares the LORD "Have I not brought up Israel from the land of Egypt, And the Philistines from Caphtor and the Arameans from Kir?