supreme ruler: the title taken by Muhammad's successors as secular and religious heads of Islam
Origin of caliphMiddle English and Old French calife from Arabic khal?fa, caliph, successor from khalafa, succeed
also ca·lif or kha·lif
A leader of an Islamic polity, regarded as a successor of Muhammad and by tradition always male.
Origin of caliphMiddle English calife from Old French from Arabic &hlowbrev;alīfa successor (to Muhammad), caliph from &hlowbrev;alafa to succeed &hlowbrev;lp
From Old French caliphe, from Medieval Latin califa, from Arabic خليف (khalīf) - successor.