Where does “ഛത്തീസ്ഗഢ്” come from?

ഛത്തീസ്ഗഢ് (Malayalam) comes from Hindi छत्तीसगढ़, from Hindi छत्तीस, from Sanskrit षट्त्रिंशत्, from Sanskrit त्रिंशत्, from Proto-Indo-Aryan triHśát, from Proto-Indo-Iranian triHćát, from Proto-Indo-European tridḱómt, from Proto-Indo-European tri- — three.

Ancestry of “ഛത്തീസ്ഗഢ്”, step by step

StepLanguageWordMeaning
1Hindiछत्तीसगढ़—
2Hindiछत्तीसthirty-six
3Sanskritषट्त्रिंशत्thirty-six
4Sanskritत्रिंशत्thirty
5Proto-Indo-AryantriHśát—
6Proto-Indo-IraniantriHćátthirty
7Proto-Indo-Europeantridḱómtthirty
8Proto-Indo-Europeantri-three, threefold
9Proto-Indo-Europeantréyesthree
Every word from Proto-Indo-European tréyes →Every word from Proto-Indo-European tri- →Every word from Proto-Indo-European tridḱómt →