'Amr ibn al-'As; Arab Conquest of Egypt; Arabs; Asceticism; Alexandria; Cairo (Egypt); Byzantine Empire; Coptic Church; Heraclius, Emperor of the East, ca. 575-641; History; Chalcedonian Church; Melchite Church; Orthodoxy
Coptic language; Arabic language; Titles of honor and nobility; Martyrs; Patriarchs and patriarchate; Bishops; Synaxarion; Apophthegmata Patrum; Hebrew language; Greek language; Syriac language; Latin language