Abà « Muzaḥim Mà «sàibn ÿUbayd AllÃÂh ibn Yaḥyàibn KhÃÂqÃÂn, also called al-KhÃÂqÃÂnë (died AD 937 ), was an Islamic scholar and muḥaddith (traditionist) in Baghdad. He belonged to the abnÃÂþ al-dawla and his family was of Iranian origin. His father was the Abbasid vizier ÿUbayd AllÃÂh al-KhÃÂqÃÂnë (died 877), while his brother Muḥammad also served as vizier. Sources for his life include al-Khaá¹Âëb al-BaghdÃÂdë's Taþrëkh BaghdÃÂd, Ibn al-SamÿÃÂnë's AnsÃÂb and al-Dhahabë's Siyar.
Al-KhÃÂqÃÂnë wrote the earliest work on tajwëd, the proper Arabic pronunciation for reciting the QurþÃÂn. Known as al-Qaá¹£ida al-KhÃÂqÃÂniyya, it is in the form of a qaṣëda. As the word tajwëd was not yet in use, he refers to ḥusn al-adÃÂþ (pleasant pronunciation). In the 11th century, Abà « ÿAmr al-DÃÂnë wrote a commentary on it, the Sharḥ al-Qaṣëda al-KhÃÂqÃÂniyya.