Where does “triwarsa” come from?

triwarsa (Indonesian) comes from Indonesian tri-, from Malay tri-, from Malay tri, from Sanskrit त्रि, from Proto-Indo-Aryan tráyas, from Proto-Indo-Iranian tráyas, from Proto-Indo-European *tréyes.

Ancestry of “triwarsa”, step by step

StepLanguageWordMeaning
1Indonesiantri-tri
2Malaytri-tri
3Malaytrithree
4Sanskritत्रिthree
5Proto-Indo-Aryantráyasthree
6Proto-Indo-Iraniantráyasthree
7Proto-Indo-European*tréyes—
Every word from Proto-Indo-European *tréyes →Every word from Proto-Indo-Iranian tráyas →Every word from Proto-Indo-Aryan tráyas →