Answer:
Tamil or tamilakam.
Step-by-step explanation:
The name Tamilakam makes reference to the union of kingdoms that means the land of the Tamis, it was a real large kingdom that covered great part of ancient India having access to many different countries, kingdons and the open see. The Geograpry was a lot favorable for this people in a very direct way, this fact made them united under a rule and a religion colled buddihst.