Aspbed
Aspbed (also spelled Aspbad and asppat; literally “commander of the cavalry”, from Old Iranian *aspa-pati-), was a title of Iranian origin used by the Parthian and Sasanian empires. == History == The word is first attested in an ostracon from the ancient Parthian city Nisa, where it says; “Tirdat, great aspbed, chief commander of the cavalry”.