As for the west–east direction, even if the cutoff points are partly arbitrarily chosen, Figure 4 (bottom right) indicates a clear west-east division. This reinforces the impression from the neighbor-net graph in Section 7, that the main areal-linguistic dividing line in South Asia is one...
. Vedic literature, composed inSanskrit, was one of the early products of the incoming culture. Its influence persists today in Hinduism, and the northern populations of the subcontinent continue to speak some variety ofIndo-European languages, includingHindi,Urdu,Bengali,Punjabi, andMarathi....