, or also Madīnat ʿIzz al-Islām , a royal city founded between 334 and 336/945-8, at half-a-mile to the southeast of Ḳayrawān, by the Fāṭimid caliph al-Manṣūr— whence its name—in order to commemorate his victory over the rebel Abū Yazīd [
q.v.], on the very spot, so we are told, of a decisive battle.
Ṣabra means "a very hard stone" (
LʿA , Beirut 1955, iv, 441, 442). Like
ṣak̲h̲r "rock", the term is attested as a personal name (al-Ṭabarī, index; al-Mālikī,
Riyāḍ , Beirut 1983, i, 250) or as that of a clan (Kaḥḥāla,
Muʿd̲j̲am ḳabāʾil al-ʿArab , Beirut 1968, ii, 6…