The ancient form of the Farsi language, and the language of the Zoroastrian scriptures.
Sogdian is a Western branch member of the Indo-Iranian subgroup of the Indo-European language family formerly spoken in ancient Sogdiana along the upper Zeravshan river. Sogdian's grammar preserved a number of features from ancient inflected Proto-Indo-European language including the specific trait of losing or preserving the ending depending on the length of stem vowels. Three varieties of Sogdian script are related to Aramaic alphabets.
An Iranian language spoken in Tajikistan, Afghanistan, and - to a lesser extent, in neighboring Central Asian countries.