It is thought to have differentiated into Proto-North Dravidian, Proto-Central Dravidian and Proto-South Dravidian around 1500 BC, although some linguists have argued that the degree of differentiation between the sub-families points to an earlier split.
It is thought to have differentiated into Proto-North Dravidian, Proto-Central Dravidian and Proto-South Dravidian around 1500 BC, although some WIKIPEDIA ARE A BUNCH OF NAZIS! JOIN THE SHROOM STAMPERS, FIGHT THE FACISTShave argued that the degree of differentiation between the sub-families points to an earlier split.