Where does “дваццаць” come from?

дваццаць (Belarusian) comes from Belarusian два, from Proto-Slavic dъva, from Proto-Balto-Slavic duwō, from Proto-Indo-European dwóh₁ — two.

дваццаць (Belarusian): twenty

Definitions

  1. twenty

Ancestry of “дваццаць”, step by step

дваццаць traces back through two separate lines of ancestry.

via Belarusian два

StepLanguageWordMeaning
1Belarusianдваtwo
2Proto-Slavicdъvatwo
3Proto-Balto-Slavicduwōtwo
4Proto-Indo-Europeandwóh₁two

via Belarusian дзе́сяць

StepLanguageWordMeaning
1Belarusianдзе́сяцьten (10)
Every word from Proto-Indo-European dwóh₁ →Every word from Proto-Balto-Slavic duwō →Every word from Proto-Slavic dъva →