(the name is also written Tagudar and Teguder in learned works), as a Muslim called Aḥmad (e. g. on his coins with inscriptions in the Mongol alphabet and language), a Mongol ruler (Īlk̲h̲ān, q.v.) of Persia, 681—683 = 1282—1284. On his brother and predecessor see abāḳā, on his fall and successor see arg̲h̲ūn. Tekuder is said to have been baptised in his youth with the name Nicolas (Moshemii Historia Tartarorum Ecclesiastica, Helmstedt 1741, p. 71). Immediately after his accession, his conversion to Islām was announced. According to some sources he turned churches…