Raja

Raja (; from , IAST '''') is a noble or royal Sanskrit title historically used by some Indian rulers and monarchs and highest-ranking nobles. The title was historically used in the Indian subcontinent and Southeast Asia.

The title has a long history in South Asia and Southeast Asia, being attested from the ''Rigveda'', where a ' is a ruler, see for example the ', the "Battle of Ten Kings".

The title has equivalent cognates in other Indo-European languages, notably the Latin Rex and the Celtic Rix. Provided by Wikipedia