Where does “تاجیکستان” come from?

تاجیکستان (Persian) comes from Persian ـستان, from Middle Persian -stʾn', from Proto-Indo-Iranian stáHnam, from Proto-Indo-European stéh₂-no-m, from Proto-Indo-European steh₂- — to stand.

Ancestry of “تاجیکستان”, step by step

تاجیکستان traces back through two separate lines of ancestry.

via Persian ـستان

StepLanguageWordMeaning
1Persianـستان-istan, -estan, -stan
2Middle Persian-stʾn'makes nouns of places; of indeterminate function
3Proto-Indo-IranianstáHnamthe act of standing; position, location, place
4Proto-Indo-Europeanstéh₂-no-m
5Proto-Indo-Europeansteh₂-to stand

via Persian تاجیک

StepLanguageWordMeaning
1Persianتاجیکnon-Turk; Tajik
2Middle Persiantʾcyk'Arab; swift, fast
3Arabicطَيِّءname of an Arab clan

Words derived from “تاجیکستان

Every word from Proto-Indo-European steh₂-Every word from Proto-Indo-European stéh₂-no-mEvery word from Middle Persian -stʾn'