, Abū Isḥāḳ Kaʿb b. Matīʿ b. Haisūʿ, the oldest authority for the Jewis̲h̲-Muslim traditions among the Arabs, a Jew of Yemen who became a convert to Islām in the Caliphate of Abū Bakr or ʿOmar and was called Kaʿb al-Aḥbār or Kaʿb al-Ḥabr, “the rabbi Kaʿb”, on account of his wealth of theological, particularly Biblical, knowledge. Lidzbarski (
De propheticis, quae dicuntur, legendis arabicis, Berlin diss., Leipzig 1893, p. 34
sq.) supposes that his name was originally Hebrew,ʿAḳībā or Yaʿḳōb, and was afterwards changed into the Arabic name Kaʿb.
aḥbār) is taken from th…