Where does “Nagorny Karabakh” come from?

Nagorny Karabakh (English) comes from Russian Наго́рный Караба́х.

Ancestry of “Nagorny Karabakh”, step by step

StepLanguageWordMeaning
1RussianНаго́рный Караба́х
Every word from Russian Наго́рный Караба́х