Where does “тројка” come from?

тројка (Serbo-Croatian) comes from Serbo-Croatian -ка, from Proto-Slavic -ъka, from Proto-Indo-European -kos — Creates deadjectival and desubstantival...

тројка (Serbo-Croatian): three (digit or figure)

Definitions

  1. three (digit or figure)

Ancestry of “тројка”, step by step

StepLanguageWordMeaning
1Serbo-Croatian-каSuffix appended to words to create a feminine...
2Proto-Slavic-ъkaDenominal, forms diminutives; Deadjectival,...
3Proto-Indo-European-kosCreates deadjectival and desubstantival...
Every word from Proto-Indo-European -kosEvery word from Proto-Slavic -ъkaEvery word from Serbo-Croatian -ка