Where does “trichroism” come from?

trichroism (English) comes from English trichroic, from English tri-, from Sanskrit त्रि, from Proto-Indo-Aryan tráyas, from Proto-Indo-Iranian tráyas, from Proto-Indo-European *tréyes.

trichroism (English): The property of some optically anisotropic...

Definitions

  1. The property of some optically anisotropic...

Ancestry of “trichroism”, step by step

StepLanguageWordMeaning
1EnglishtrichroicOf, relating to, or exhibiting trichroism
2Englishtri-API; three; Used in combination with a known...
3Sanskritत्रिthree
4Proto-Indo-Aryantráyasthree
5Proto-Indo-Iraniantráyasthree
6Proto-Indo-European*tréyes—
Every word from Proto-Indo-European *tréyes →Every word from English tri- →Every word from Proto-Indo-Iranian tráyas →