What is "vinduyih"

Vinduyih or Bendoy was a Sasanian nobleman from the Ispahbudhan family. His sister was the mother Khosrau II, thus making Vinduyih the uncle of Khosrau. Vinduyih and Vistahm played an important role in restoring the throne for Khosrau II from Bahram Chobin. He was later deposed in Ctesiphon by the orders of Khosrau II.