Where does “এটি” come from?

এটি (Bengali) comes from Bengali এই, from Bengali এ, from Magadhi Prakrit 𑀏𑀅.

এটি (Bengali): this

Definitions

Step	Language	Word	Meaning
1	Bengali	এই	this
2	Bengali	এ	he, she, it
3	Magadhi Prakrit	𑀏𑀅	—

এটি — Etymology, Origin & Word History | Etymology Explorer