Sart

Sart is a name for a group of settled people in Central Asia The meaning of the word had changed often over the centuries. Sarts were sometimes called "Ak-Sart" in ancient times. They did not have any particular ethnic identification. Most, but not all. Sarts lived in town.
Origin.
There are many theories about the origin of the word Sart. It may come from the Sanskrit "sārthavāha" "merchant, trader, caravan leader". The term was thought to have been used by nomads to describe town-dwellers, This origin of the name has been suggested by Vasily Bartold, Gerard Clauson, and most recently Richard Foltz.