Proto-Indo-Iranian or Proto-Indo-Iranic is the reconstructed proto-language of the Indo-Iranian/Indo-Iranic branch of Indo-European. Its speakers, the hypothetical Proto-Indo-Iranians, are assumed to have lived in the late 3rd millennium BC, and are often connected with the Sintashta culture of the Eurasian Steppe and the early Andronovo archaeological horizon.
|Reconstruction of||Indo-Iranian languages|
|Era||late 3rd m. BCE|
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Proto-Indo-Iranian was a satem language, likely removed less than a millennium from its ancestor, the late Proto-Indo-European language, and in turn removed less than a millennium from the Avestan and Vedic Sanskrit of the Rigveda, its descendants.
Proto-Indo-Iranian has been considered to form a subgroup along with Greek, Armenian and Phrygian on the basis of many striking similarities in the morphological structure. However, this issue remains unsettled.