Where does “јединица” come from?

јединица (Serbo-Croatian) comes from Serbo-Croatian један, from Proto-Slavic (j)edьnъ, from Proto-Indo-European óynos — one; single.

јединица (Serbo-Croatian): one; anything numbered one; the school grade '1'

Definitions

  1. one; anything numbered one; the school grade '1'

Ancestry of “јединица”, step by step

StepLanguageWordMeaning
1Serbo-Croatianједанone; a, one, some
2Proto-Slavic(j)edьnъ—
3Proto-Indo-Europeanóynosone; single
Every word from Proto-Indo-European óynos →Every word from Proto-Slavic (j)edьnъ →Every word from Serbo-Croatian један →