Where does “કાગ” come from?

કાગ (Gujarati) comes from Prakrit 𑀓𑀸𑀕, from Sanskrit काक — a crow; an expression of contempt.

Ancestry of “કાગ”, step by step

Step	Language	Word	Meaning
1	Prakrit	𑀓𑀸𑀕	—
2	Sanskrit	काक	a crow; an expression of contempt