Where does “dwibiasan” come from?

dwibiasan (Indonesian) comes from Indonesian dwi-, from Malay dwi-, from Sanskrit द्वि, from Sanskrit द्व, from Proto-Indo-Iranian dwáH, from Proto-Indo-European dwóh₁ — two.

dwibiasan (Indonesian): birefringence

Definitions

birefringence

Ancestry of “dwibiasan”, step by step

Step	Language	Word	Meaning
1	Indonesian	dwi-	bi-
2	Malay	dwi-	bi-
3	Sanskrit	द्वि	The digit or number - two
4	Sanskrit	द्व	two, both
5	Proto-Indo-Iranian	dwáH	two
6	Proto-Indo-European	dwóh₁	two

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