Where does “गेरू” come from?

गेरू (Hindi) comes from Sauraseni Prakrit ????? — red chalk.

गेरू (Hindi): ochre

Definitions

  1. ochre

Ancestry of “गेरू”, step by step

StepLanguageWordMeaning
1Sauraseni Prakrit?????red chalk

Words derived from “गेरू

Every word from Sauraseni Prakrit ?????
गेरू — Etymology, Origin & Word History | Etymology Explorer