Where does “કયું” come from?

કયું (Gujarati) comes from Pali 𑀓, from Sanskrit कः, from Sanskrit किम्, from Proto-Indo-Aryan kás, from Proto-Indo-Iranian kás, from Proto-Indo-European kʷós — who.

કયું (Gujarati): which

Definitions

which

Ancestry of “કયું”, step by step

Step	Language	Word	Meaning
1	Pali	𑀓	Brahmi script form of ka
2	Sanskrit	कः	nominative masculine singular of किम्
3	Sanskrit	किम्	used as a particle of interrogation
4	Proto-Indo-Aryan	kás	—
5	Proto-Indo-Iranian	kás	who
6	Proto-Indo-European	kʷós	who

Every word from Proto-Indo-European kʷós →Every word from Proto-Indo-Iranian kás →Every word from Proto-Indo-Aryan kás →