Where does “nepušačica” come from?

nepušačica (Serbo-Croatian) comes from Serbo-Croatian nepušač, from Serbo-Croatian ne, from Proto-Slavic ne, from Proto-Balto-Slavic nē, from Proto-Indo-European né — not; no.

Ancestry of “nepušačica”, step by step

StepLanguageWordMeaning
1Serbo-Croatiannepušačnon-smoker
2Serbo-Croatiannenot; no
3Proto-Slavicnenot
4Proto-Balto-Slavicnēnot
5Proto-Indo-Europeannénot; no
Every word from Proto-Indo-European né →Every word from Proto-Balto-Slavic nē →Every word from Proto-Slavic ne →