Where does “Khuzestan” come from?

Khuzestan (English) comes from Persian خوزستان, 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 “Khuzestan”, step by step

Khuzestan traces back through two separate lines of ancestry.

via Persian خوزستان

StepLanguageWordMeaning
1Persianخوزستان
2Persianـستان-istan, -estan, -stan
3Middle Persian-stʾn'makes nouns of places; of indeterminate function
4Proto-Indo-IranianstáHnamthe act of standing; position, location, place
5Proto-Indo-Europeanstéh₂-no-m
6Proto-Indo-Europeansteh₂-to stand

via Pahlavi hwcstʾn'

StepLanguageWordMeaning
1Pahlavihwcstʾn'
Every word from Proto-Indo-European steh₂-Every word from Proto-Indo-European stéh₂-no-mEvery word from Middle Persian -stʾn'