Where does “سکائستان” come from?

سکائستان (Persian) comes from Persian ستان, from Middle Persian -stʾn', from Old Persian 𐎿𐎫𐎠𐎴, from Proto-Iranian stā́nam, from Proto-Indo-Iranian stʰáHnam, from Proto-Indo-European *steh₂-.

Ancestry of “سکائستان”, step by step

سکائستان traces back through two separate lines of ancestry.

via Persian ستان

StepLanguageWordMeaning
1Persianستانland; place; suffix showing "Land of"
2Middle Persian-stʾn'makes nouns of places; of indeterminate function
3Old Persian𐎿𐎫𐎠𐎴place
4Proto-Iranianstā́nam—
5Proto-Indo-IranianstʰáHnam—
6Proto-Indo-European*steh₂-—

via Persian سکا

StepLanguageWordMeaning
1PersianسکاScythian, a person of Scythia; Sistani, a person...
2Sauraseni Prakrit𑀲𑀼𑀓𑁆𑀔—
3Sanskritसख—
Every word from Proto-Indo-European *steh₂- →Every word from Middle Persian -stʾn' →Every word from Proto-Indo-Iranian stʰáHnam →