The ancient scriptures of hinduism are in what language

The correct answer here is Vedic Sanskrit also known as Aryam which means "noble". The ancient religious documents of Hinduism are called Vedas and they are the oldest religious texts of Hinduism. The Vedic Sanskrit is the language of these texts that was orally preserved. Its translation is very difficult as its extremely archaic language. It predates the Brahmi script by several hundreds of years.