Where does “કોહિનૂર” come from?

કોહિનૂર (Gujarati) comes from Persian کوه نور, from Persian نور, from Arabic نُور, from Classical Persian جَان, from Middle Persian 𐫃𐫏𐫀𐫗, from Proto-Iranian *wyaHnáH, from Proto-Indo-Iranian wyaHnás, from Proto-Indo-European h₂enh₁‑ — to breathe.

કોહિનૂર (Gujarati): Koh-i-Noor

Definitions

Koh-i-Noor

Ancestry of “કોહિનૂર”, step by step

Step	Language	Word	Meaning
1	Persian	کوه نور	mountain of light
2	Persian	نور	light
3	Arabic	نُور	light, brightess; ray of light, light beam;...
4	Classical Persian	جَان	—
5	Middle Persian	𐫃𐫏𐫀𐫗	—
6	Proto-Iranian	*wyaHnáH	—
7	Proto-Indo-Iranian	wyaHnás	—
8	Proto-Indo-European	h₂enh₁‑	to breathe

Every word from Proto-Indo-European h₂enh₁‑ →Every word from Proto-Indo-Iranian wyaHnás →Every word from Proto-Iranian *wyaHnáH →