Under one of al-Bukhārī’s chapter headings pertaining to the Khārijites, Ibn Ḥajar al-ʿAsqalānī writes:

The origin of this tribulation or from amongst its causes is that the people of Irāq rejected the behaviour of some of the relatives of ʿUthmān and reviled ʿUthmān (in turn) because of that. It used to be said of them that they are ‘Reciters’ (Qurrāʾ) because of their severe preoccupation in recitation and worship.

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