Chi-Rho is not at all the source of the name of the city Cairo. Cairo was founded by the Fatimid's and called al-Qāhirah, and this is the etymology of the angl

Chi-Rho is not at all the source of the name of the city Cairo. Cairo was founded by the Fatimid's and called al-Qāhirah, and this is the etymology of the anglicisation.