چهارمحال و بختیاری (Persian) comes from Persian و, from Middle Persian 𐭠𐭥𐭣, from Old Persian 𐎢𐎫𐎠, from Proto-Indo-Iranian Hutá, from Proto-Indo-Iranian Hu, from Proto-Indo-European h₂ew, from Proto-Indo-European ǵʰe — Postpositional intensifying particle: indeed, at any rate, in fact.
Ancestry of “چهارمحال و بختیاری”, step by step
چهارمحال و بختیاری traces back through 3 separate lines of ancestry.