Where does “ത്രികോണം” come from?

ത്രികോണം (Malayalam) comes from Sanskrit त्रिकोण, from Sanskrit त्रि, from Proto-Indo-Aryan tráyas, from Proto-Indo-Iranian tráyas, from Proto-Indo-European *tréyes.

ത്രികോണം (Malayalam): triangle

Definitions

triangle

Ancestry of “ത്രികോണം”, step by step

Step	Language	Word	Meaning
1	Sanskrit	त्रिकोण	triangle; triangular, a triangle
2	Sanskrit	त्रि	three
3	Proto-Indo-Aryan	tráyas	three
4	Proto-Indo-Iranian	tráyas	three
5	Proto-Indo-European	*tréyes	—

Every word from Proto-Indo-European *tréyes →Every word from Proto-Indo-Iranian tráyas →Every word from Proto-Indo-Aryan tráyas →