Where does “ख़रगोश” come from?

ख़रगोश (Hindi) comes from Classical Persian خرگوش, from Middle Persian 𐭤𐭫𐭢𐭥𐭱, from Old Persian *xaragaušah.

ख़रगोश (Hindi): rabbit

Definitions

Step	Language	Word	Meaning
1	Classical Persian	خرگوش	—
2	Middle Persian	𐭤𐭫𐭢𐭥𐭱	rabbit, hare; rabbit, hare, lit. 'big ear'
3	Old Persian	*xaragaušah	—

ख़रगोश — Etymology, Origin & Word History | Etymology Explorer