The Great Sphinx does not appear in any known inscription of the Old Kingdom. There are no inscriptions anywhere describing its construction or its original purpose. In the New Kingdom, the Sphinx was called "Hor-em-akhet" (English: Horus of the Horizon), and the pharaoh Thutmose IV (1401–1391 or 1397–1388 BC) referred to it in his "Dream Stele".