Where does “trīsstūris” come from?

trīsstūris (Latvian) comes from Latvian trīs, from Proto-Balto-Slavic tríjes, from Proto-Indo-European *tréyes.

trīsstūris (Latvian): triangle

Definitions

  1. triangle

Ancestry of “trīsstūris”, step by step

trīsstūris traces back through two separate lines of ancestry.

via Latvian trīs

StepLanguageWordMeaning
1LatviantrīsAPI; three; three o'clock
2Proto-Balto-Slavictríjesthree
3Proto-Indo-European*tréyes—

via Latvian stūris

StepLanguageWordMeaning
1Latvianstūris—
Every word from Proto-Indo-European *tréyes →Every word from Proto-Balto-Slavic tríjes →Every word from Latvian trīs →