Where does “četrdeset” come from?

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

četrdeset (Serbo-Croatian): forty

Definitions

  1. forty

Ancestry of “četrdeset”, step by step

četrdeset traces back through two separate lines of ancestry.

via Serbo-Croatian dȅset

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

via Serbo-Croatian čètiri

StepLanguageWordMeaning
1Serbo-Croatiančètirifour
Every word from Proto-Indo-European déḱm̥t →Every word from Proto-Balto-Slavic *déśimt →Every word from Proto-Slavic desętь →