Modern name for the site of a fortress in the Second Cataract region of Nubia. Egyptian Djer Setiu. It appears to have been constructed during the Middle Kingdom as part of a series of fortresses from Buhento Semnaby Senusret IIIto control the native Nubians. The fortress was abandoned during the Second Intermediate Period but reused during the New Kingdom. Askut was excavated in 1962–1964 by an expedition from the University of California at Los Angeles before the site was flooded by Lake Nasser, the lake created by the Aswan High Dam.
Historical Dictionary Of Ancient Egypt by Morris L. Bierbrier
Ancient Egypt. A Reference Guide. EdwART. 2011.