The first Indo-european nation of recorded history was the Hittite's of Anotolia. This page shows a relationship between the Hittite script and the Indus script. The Hittite's in archaeology start up around 2000BCE. The Indus Valley is totally abondon around 1800BCE with signs that the abandonment started much earlyer, where the Bead makers take over the palaces and larger structures. The sign that parallels the Egyptian Na is in the first column, second to the last sign.