Where does “седамдесет” come from?

седамдесет (Serbo-Croatian) comes from Serbo-Croatian де̏сет, from Proto-Slavic desętь, from Proto-Balto-Slavic *déśimt, from Proto-Indo-European déḱm̥t — ten.

седамдесет (Serbo-Croatian): seventy

Definitions

  1. seventy

Ancestry of “седамдесет”, step by step

седамдесет traces back through two separate lines of ancestry.

via Serbo-Croatian де̏сет

StepLanguageWordMeaning
1Serbo-Croatianде̏сетten
2Proto-Slavicdesętьten
3Proto-Balto-Slavic*déśimtten
4Proto-Indo-Europeandéḱm̥tten

via Serbo-Croatian се̏дам

StepLanguageWordMeaning
1Serbo-Croatianсе̏дамseven
2Proto-Slavicsedmьseven
3Proto-Indo-Europeanseptḿ̥seven
Every word from Proto-Indo-European déḱm̥t →Every word from Proto-Balto-Slavic *déśimt →Every word from Proto-Slavic desętь →