Where does “tri-” come from?

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

tri- (English): API; three; Used in combination with a known...

Definitions

  1. API; three; Used in combination with a known...

Ancestry of “tri-”, step by step

tri- traces back through two separate lines of ancestry.

via Sanskrit त्रि

StepLanguageWordMeaning
1Sanskritत्रिthree
2Proto-Indo-Aryantráyasthree
3Proto-Indo-Iraniantráyasthree
4Proto-Indo-European*tréyes

via Ancient Greek τρία

StepLanguageWordMeaning
1Ancient Greekτρίαthree

Words derived from “tri-

Every word from Proto-Indo-European *tréyes