The Sogdian language was an Eastern Iranian language spoken mainly in the Central Asian region of Sogdia, located in modern-day Uzbekistan, Tajikistan, Kazakhstan and Kyrgyzstan; it was also spoken by
Seal with two facing busts and Sogdian inscription "Indamic, Queen of Zacanta", Kushano-Sasanian period, 300-350 CE. British Museum 119999.
Sogdian text from a Manichaean creditor letter from around 9th to 13th century
Manichaean priests (Uyghur Turks) writing Sogdian manuscripts, in Khocho, Tarim Basin, c. 8th/9th century AD
Sogdian Christian text written in Estrangelo, discovered at Turpan, 9th—11th century.
Yaghnobi is an Eastern Iranian language spoken in the upper valley of the Yaghnob River in the Zarafshan area of Tajikistan by the Yaghnobi people. It is considered to be a direct descendant of Sogdia
Sogdian language
…Similar to Khotanese, Sogdian may have possessed a more conservative grammar and morphology than Middle Persian. The modern Eastern Iranian language Yaghnobi is the descendant of a dialect of Sogdian spoken around the 8th century in Osrushana, south of Sogdia. During the period of the Tang dynasty (ca. 7th…
Yaghnobi-speaking areas and enclaves of Yaghnobi-speakers among a Tajik majority
A group of Yaghnobi-speaking schoolchildren from Tajikistan