Wathëma ibn Mà «sà(died 9 December 851), nicknamed al-WashshÃÂþ ('trader in embroideries'), was a Persian Muslim historian and silk trader.
Born in the city of FasÃÂ, Wathëma moved first to Baá¹£ra, then to Egypt and to al-Andalus before returning to Egypt, where he settled in the city of Fusá¹ÂÃÂá¹Â. He studied ḥadëth (traditions) and, according to Ibn al-Faraá¸Âë, this was the purpose of his travels to the West. He wrote a KitÃÂb fë AkhbÃÂr al-ridda, an Arabic account of the great apostasy of 632. It is a lost work, although at least 110 passages from it are quoted by other authors, including Ibn KhallikÃÂn, Ibn ShÃÂkir al-Kutubë, YÃÂqà «t al-Rà «më and Ibn Ḥajar al-ÿAsqalÃÂnë. It was praised for its literary quality and its breadth by Ibn al-ÿImÃÂd.
Wathëma died in Fusá¹ÂÃÂá¹Â. He had a son, ÿUmÃÂra ibn Wathëma, who was born in Fusá¹ÂÃÂá¹Â. The KitÃÂb badþ al-khalq wa-qiá¹£aá¹£ al-anbiyÃÂþ, a collection of legends of the prophets, is attributed to ÿUmÃÂra, but is more probably the work of Wathëma.