-stan "koborsthan" ( "") "graveyard/cemetery", known as "Qabaristan" as (). Originally an independent noun, this morpheme evolved into a suffix by virtue of appearing frequently as the last part in nominal compounds. It is of Indo-Iranian and ultimately Indo-European origin: It is cognate with Sanskrit "" (Devanagari: ), meaning "the act of standing", from which many further meanings derive, including "place, location; abode, dwelling", and ultimately descends from Proto-Indo-Iranian . The Proto-Indo-European root from which this noun is derived is (older reconstruction ) "to stand" (or "to stand up, to step (somewhere), to position (oneself)"), which is also the source of
Proto-Indo-European homeland which would have been introduced with paternal lineages R1b and R1a, as well as Indo European Languages. According to genetic studies, individuals from the Yamnaya culture have a mix from eastern European hunter-gatherer and Caucasus hunter-gatherer ancestry. Iran Chalcolithic people with a Caucasian hunter-gatherer component. Many geneticists consider Haplogroup R1a to be associated with the origins and spread of the Indo-Europeans. R1a1 shows a strong correlation with the distribution of the Indo-European languages in Europe and south Asia, being most prevalent in Poland, Russia, and Ukraine, and in central Asia, Afghanistan, Pakistan and India. Two specific subclades dominate, namely R1-Z282