Where does “मारवाड़ी” come from?

मारवाड़ी (Marwari) comes from Old Gujarati मारूआडी.

Ancestry of “मारवाड़ी”, step by step

Step	Language	Word	Meaning
1	Old Gujarati	मारूआडी	—

मारवाड़ी — Etymology, Origin & Word History | Etymology Explorer