behdînan

1) A Region of Kurdistan known as Behdinan (Bahdinan) or Badinan 2) A dialect spoken by the Behdinan “the people of the Good Religion (Zoroastranism)”, Bahdinan(i) is also a dialect of the Kurmanji branch of the Kurdish language spoken in Behdinan region 3) A semi-independent Kurdish emirate which lasted from 1376 to 1843

From Avestan Vohu Deana / Bah Din "good religion".

Source of another name of a region in Kurdistan known as Bohtan (Botan, Buxtan etc.) deriving from the name of Behdin.

Behdīn/Bahdin, is considered the equivalent of Ērān "Iranians".

Arabic; the honorific title "Bahā' ad-Dīn" means "splendor of the faith", sometimes known as Bohadin or Boha-Eddyn.
Turkish; Bahattin, Bahaeddin