Where does “Hindustani” come from?

Hindustani derives from Hindi हिंदुस्तानी, from Persian هندوستانی combining Persian ستان meaning "land" with Middle Persian hndwk', from Sanskrit सिन्धु, ultimately from Proto-Indo-European steh₂-.

Hindustani (English): Related to India, or historically the entire...

Definitions

  1. Related to India, or historically the entire...

Ancestry of “Hindustani”, step by step

Hindustani traces back through two separate lines of ancestry.

via Hindi हिंदुस्तानी

StepLanguageWordMeaning
1Hindiहिंदुस्तानीIndia; a person from India; a South Asian
2Urduہندوستانیof or pertaining to India; a person from India;...
3PersianهندوستانیIndian; Hindustani
4PersianهندوستانIndia
5Persianـستان-istan, -estan, -stan
6Middle Persian-stʾn'makes nouns of places; of indeterminate function
7Proto-Indo-IranianstáHnamthe act of standing; position, location, place
8Proto-Indo-Europeanstéh₂-no-m
9Proto-Indo-Europeansteh₂-to stand

via French hindoustani

StepLanguageWordMeaning
1Frenchhindoustani
Every word from Proto-Indo-European steh₂-Every word from Proto-Indo-European stéh₂-no-mEvery word from Middle Persian -stʾn'
Hindustani — Etymology, Origin & Word History | Etymology Explorer