Where does “छत्तीसगढ़” come from?

छत्तीसगढ़ (Chhattisgarhi) comes from Hindi गढ़, from Ashokan Prakrit ??-.

Ancestry of “छत्तीसगढ़”, step by step

StepLanguageWordMeaning
1Hindiगढ़fort; stronghold
2Ashokan Prakrit??-

Words derived from “छत्तीसगढ़

Every word from Ashokan Prakrit ??-Every word from Hindi गढ़