Al-Tuwal

Al-Ṭuwāl the Grammarian (), surnamed Abū ‘Abd Allāh (), or Muḥammad ibn Aḥmad ibn ‘Abd Allāh (). Al-Ṭuwal the Grammarian was a ninth-century philologist of the School of Kūfah.

Life He was a disciple of al-Kisā’ī and attended the lectures of al-Aṣma’ī. He moved to Baghdād where Abū 'Umar al-Durī al-Muqrī () was his disciple ('hearer'). Abū al-Abbās Tha’lab () said he was a skillful analyst of Arabic grammar. No books of his are known. He died in 857-858 (243 AH).