Where does “पिंजरा” come from?

पिंजरा (Marathi) comes from Sanskrit पिञ्जर, from Proto-Indo-Aryan pingalás ~ pinȷ́arás — tawny, reddish.

पिंजरा (Marathi): cage

Definitions

Step	Language	Word	Meaning
1	Sanskrit	पिञ्जर	reddish-yellow, tawny; yellow, gold-colored
2	Proto-Indo-Aryan	pingalás ~ pinȷ́arás	tawny, reddish

पिंजरा — Etymology, Origin & Word History | Etymology Explorer