He wrote in Arabic a grammar of the Coptic language entitled Necklace of Composition in the Science of Interpretation.
He entered the nearby monastery of Mar Buqtur on the left bank of the Nile before succeeding Gabriel as bishop of the fortified city of Qus.
[3][4] In 1374, during the patriarchate of Gabriel IV, he took part in the concoction of the chrism (myron) and wrote a description of the Upper Egyptian rite.
[2][4] The Berlin manuscript of the Necklace contains a preface to a different (lost) grammar in which the Ecclesiastical Ladder of Yuhanna al-Samannudi is mentioned.
[3] The lost grammar prefaced in the Berlin manuscript, titled Sufficiency of the Seeker,[8] was in the form of a didactic poem in which Sahidic homonyms were explained through Arabic.
[2] His theological works include a treatise (arguzah) on baptism and another in the form of 100 questions from the Canons of the Apostles.
[4][6] The sharḥ he wrote on his own grammar was the main source for Raphael Tuki's Rudimenta linguae coptae sive aegyptiacae ad usum Collegii Urbani de Propaganda Fide (1778).