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Sogdian is one of the most important Middle Iranian languages, along with Middle Persian and Parthian. It possesses a large literary corpus. The language is usually assigned to the Northeastern branch of the Iranian languages. No direct evidence of an earlier version of the language ("Old Sogdian") has been found, although mention of the area in the Old Persian inscriptions means that a separate and recognisable Sogdiana existed at least since the Achaemenid era (559-323 BC). Like Khotanese Sogdian possesses a more conservative grammar and morphology than Middle Persian. The modern Iranian language Yaghnobi is the descendant of a variant of Sogdian. |