Wikipedia has an interesting page on "Brahmin Tamil" which is the Tamil dialect spoken by Brahmins in Tamil Nadu and consists of Classical Tamil with a lot of S

Wikipedia has an interesting page on "Brahmin Tamil" which is the Tamil dialect spoken by Brahmins in Tamil Nadu and consists of Classical Tamil with a lot of Sanskrit influence - https://en.wikipedia.org/wiki/Brahmin_Tamil https://en.wikipedia.org/wiki/Brahmin_Tamil