Where does “द्विगुण” come from?

द्विगुण (Hindi) comes from Sanskrit द्विगुण, from Sanskrit द्वि, from Sanskrit द्व, from Proto-Indo-Iranian dwáH, from Proto-Indo-European dwóh₁ — two.

द्विगुण (Hindi): double

Definitions

double

Ancestry of “द्विगुण”, step by step

Step	Language	Word	Meaning
1	Sanskrit	द्विगुण	double
2	Sanskrit	द्वि	The digit or number - two
3	Sanskrit	द्व	two, both
4	Proto-Indo-Iranian	dwáH	two
5	Proto-Indo-European	dwóh₁	two

Every word from Proto-Indo-European dwóh₁ →Every word from Proto-Indo-Iranian dwáH →Every word from Sanskrit द्व →