Where does “трыццаць” come from?

трыццаць (Belarusian) comes from Belarusian тры, from Proto-Slavic tri, from Proto-Balto-Slavic tríjes, from Proto-Indo-European *tréyes.

трыццаць (Belarusian): thirty

Definitions

  1. thirty

Ancestry of “трыццаць”, step by step

трыццаць traces back through two separate lines of ancestry.

via Belarusian тры

StepLanguageWordMeaning
1Belarusianтрыthree
2Proto-Slavictri—
3Proto-Balto-Slavictríjesthree
4Proto-Indo-European*tréyes—

via Belarusian дзе́сяць

StepLanguageWordMeaning
1Belarusianдзе́сяцьten (10)
Every word from Proto-Indo-European *tréyes →Every word from Proto-Balto-Slavic tríjes →Every word from Proto-Slavic tri →