Multiple lines of evidence show Dravidian, Austro-Asiatic and Indo-Aryan speakers migrated at various points all across the subcontinent. Prehistoric Indian languages were as diverse as today’s.

How One Ancient Language Went Global” explores the roots of language and how it spread and changed across time and place.

There is a forgotten, uniting thread underpinning virtually all of Europe and parts of Asia. The languages spoken by 42% of ...