tri

/tɹaɪ/ · noun

Meaning

triathlon
triangle
triceps
Initialism of Toxic Release Inventory.
Initialism of Toyota Research Institute.
Initialism of Triple Reuptake Inhibitor.
A surname from Vietnamese.

Etymology / origin

Shortening of words with the initial component derived from Proto-Indo-European *tréyes (“three”).

*tréyes(ine-pro)→
tri (English)
Relations: der

Related words

*tréyes(ine-pro)

Sources

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