Mahabharata was written originally in which language?

Sanskrit

Originally Mahabharata was written in Sanskrit Language.

The Mahabharata narrates an epic tale centered around a feud for land and power between two factions of cousins, namely the Kauravas and the Pandavas. Both groups were part of the same ruling family known as the Kurus, a lineage that held prominence in one of the janapadas. The epic reaches its culmination in a grand battle, where the Pandavas ultimately emerge as the triumphant side.