 Aswaran

The Aswārān (singular aswār), also spelled Asbārān and Savaran, was a cavalry force that formed the backbone of the army of the Sasanian Empire.They were provided by the aristocracy, were heavily armored, and ranged from archers to cataphracts.The word comes from the Old Persian word "asabāra" (from "asa"- and "bar", a frequently used Achaemenid military technical term).