bi ’llāh , Abu ’l-Ḳāsim ʿAbd Allāh , ʿAbbāsid caliph, reigned 333-4/944-6, son of the caliph al-Muḳtafī [q.v.] by a Greek slave concubine called G̲h̲uṣn.

When the commander-in-chief of the Turkish soldiery in Bag̲h̲dād, Tūzūn, deposed and blinded al-Muttaḳī b. al-Muḳtadir [q.v.], he raised to the throne one of the latter’s cousins as al-Mustakfī in Ṣafar 333/September-October 944, al-Mustakfī being then aged 41. The situation in ʿIrāḳ was unpropitious for the new ruler. The caliphs were puppets in the hands of the Turkish troops, whose…