Where does “трећи” come from?

трећи (Serbo-Croatian) comes from Serbo-Croatian три̑, from Proto-Slavic trьje, from Proto-Balto-Slavic tríjes, from Proto-Indo-European *tréyes.

трећи (Serbo-Croatian): third

Definitions

  1. third

Ancestry of “трећи”, step by step

StepLanguageWordMeaning
1Serbo-Croatianтри̑three
2Proto-Slavictrьjethree
3Proto-Balto-Slavictríjesthree
4Proto-Indo-European*tréyes—
Every word from Proto-Indo-European *tréyes →Every word from Proto-Balto-Slavic tríjes →Every word from Proto-Slavic trьje →