Where does “заједно” come from?

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

заједно (Serbo-Croatian): together

Definitions

  1. together

Ancestry of “заједно”, step by step

заједно traces back through two separate lines of ancestry.

via Serbo-Croatian један

StepLanguageWordMeaning
1Serbo-Croatianједанone; a, one, some
2Proto-Slavic(j)edьnъ—
3Proto-Indo-Europeanóynosone; single

via Serbo-Croatian за

StepLanguageWordMeaning
1Serbo-Croatianзаfor; behind, in back of, at; during
2Proto-Slaviczabehind, after (stationary)
Every word from Proto-Indo-European óynos →Every word from Proto-Slavic (j)edьnъ →Every word from Serbo-Croatian један →