Correct Answer: Pali

Solution : The correct answer is Pali.

Buddha conveyed his teachings in Pali, a Middle Indo-Aryan language spoken by common people. Pali, part of the Prakrit group, is renowned as the language of early Buddhist scriptures found in the Pali Canon. It also served as the liturgical language for Theravada Buddhism. Pali's origins date back to the first century BCE when it was first written down in Sri Lanka. Primarily employed for propagating Buddhism, Pali is a significant literary language within the Prakrit family of Indian subcontinent languages.