Tervel

• Origin: Bulgarian Тервел
• Meaning: unknown
• Gender: masculine
• (TAIR-vel)

The name is of unknown etymology. It was borne by an 8th-century Bulgarian khan of the Dulo Clan who was given the title of Caesar by Justinian II, the first known foreign ruler to receive such a distinction in Byzantine history.

Other forms include Tarvel, Terval, and the Greek Terbelis.

Sources

• https://en.wikipedia.org/wiki/Tervel_of_Bulgaria
• https://www.behindthename.com/name/tervel/submitted