Eastern Iranian languages are a subgroup of the Iranian languages, which themselves belong to the Indo-European language family. These languages have a rich history, emerging during the Middle Iranian period, roughly from the 4th century BC to the 9th century AD. The development of Eastern Iranian languages was distinct from that of Western Iranian languages, particularly in terms of phonetic evolution. One of the key differences is that Eastern Iranian dialects preserved word-final syllables, which were lost in many Western Iranian languages during the same period. The Eastern Iranian language family includes a variety of ancient and modern languages. Among the most notable ancient languages are Avestan and Sogdian, which…