تحفة النظار في غرايب الامصار وعجايب الاسفار 13.2.2

13.2.2

Bahāʾ al-Dīn fled to one of the kings of the infidels known as the Rāy of Kanbīla. Among them "rāy" means, as in the language of the Rūm, the sultan, and Kanbīla is the name of the region where he is — with a after the k, unvoweled n, one-dotted b with i, then y, and l with a.