Sing. of Arabic amsar. (1) In early Islam, referred to settlements that were established by Muslim warriors in conquered lands. The term is Semitic in origin; the original meaning is “frontier” or “border.” For early Arab geographers, misr was a frontier outpost. Misr also referred to an administrative territorial unit run by an appointee of the caliph. The first such misrs were Kufa and Basra. (2) The land of Egypt. In colloquial usage in Egypt today the term refers to Cairo.