How this building (its beauty is breathtaking as pricelesz jewels) got its name is not certain. One theory generally believed is that it is derived from the Greek qord Khora meaning "country" or "land" becuse at the time of construction it was situated outside the City Walls of construction it was situated outside the City Walls of Byzantium and accepted that the City Walls of Byzantium and accepted that the name was derived from its topographical position. (1)
apart from this other theories have been put forward; the same word also means "womb" and it has been suggested that the name is symbolic of Jesus Christ's conpection in the Virgin Mary's womb. (2)