Where does “Nezval” come from?

Nezval (Czech) comes from Czech ne, from Old Czech ne, from Proto-Slavic ne, from Proto-Balto-Slavic nē, from Proto-Indo-European né — not; no.

Ancestry of “Nezval”, step by step

Nezval traces back through two separate lines of ancestry.

via Czech ne

StepLanguageWordMeaning
1Czechneno!; not
2Old CzechneNegation particle; no, not
3Proto-Slavicnenot
4Proto-Balto-Slavicnēnot
5Proto-Indo-Europeannénot; no

via Czech vzeti

StepLanguageWordMeaning
1Czechvzeti—
Every word from Proto-Indo-European né →Every word from Proto-Balto-Slavic nē →Every word from Proto-Slavic ne →