Where does “Nilgiri” come from?

Nilgiri (English) comes from Tamil நீலகிரி, from Tamil கிரி, from Sanskrit गिरि, from Proto-Indo-Iranian gr̥Híš, from Proto-Indo-European gʷerH- — to express approval; praise; to elevate.

Ancestry of “Nilgiri”, step by step

StepLanguageWordMeaning
1TamilநீலகிரிAlso known as Nilgris
2Tamilகிரிhill, mountain
3Sanskritगिरिmountain, hill, rock, elevation, rising-ground;...
4Proto-Indo-Iraniangr̥Híšmountain
5Proto-Indo-EuropeangʷerH-to express approval; praise; to elevate
Every word from Proto-Indo-European gʷerH- →Every word from Proto-Indo-Iranian gr̥Híš →Every word from Sanskrit गिरि →