Adjective
Buyid (not comparable)
(historical) Of or pertaining to the Buyid dynasty.
The Caliph himself was under 'protection' of the Buyid Emirs who possessed all of Iraq and western Iran, and were quietly Shi'ite in their sympathies. Source: Internet
This happened when the Persian Buyid dynasty was established in 934. The Shia government lasted only a little over a century. Source: Internet