Sassanian
Concise Oxford English Dictionary © 2008 Oxford University Press:
Sassanian /saˈseɪnɪən/ (also Sasanian or Sassanid /ˈsasənɪd/)
▶adjective relating to a dynasty that ruled Persia from the early 3rd century ad until 651. ▶noun a member of this dynasty.
– origin from Sasan (the name of the grandfather or father of Ardashir, the first Sassanian) + -ian.
'Sassanian' also found in these Oxford entries:

