Where does “нѣсмь” come from?

нѣсмь (Old Church Slavonic) comes from Old Church Slavonic ѥсмь, from Proto-Slavic *esmь, from Proto-Balto-Slavic esmi, from Proto-Indo-European h₁ésmi, from Proto-Indo-European h₁ēs- — to be.

нѣсмь (Old Church Slavonic): (I) am not

Definitions

  1. (I) am not

Ancestry of “нѣсмь”, step by step

нѣсмь traces back through two separate lines of ancestry.

via Old Church Slavonic ѥсмь

StepLanguageWordMeaning
1Old Church Slavonicѥсмь(I) am
2Proto-Slavic*esmь(I am)
3Proto-Balto-Slavicesmifirst-person singular present of *bū́ˀtei
4Proto-Indo-Europeanh₁ésmifirst-person singular present indicative of...
5Proto-Indo-Europeanh₁ēs-to be

via Old Church Slavonic не

StepLanguageWordMeaning
1Old Church Slavonicнеno; not
2Proto-Slavicnenot
3Proto-Balto-Slavicnēnot
4Proto-Indo-Europeannénot; no
Every word from Proto-Indo-European h₁ēs- →Every word from Proto-Indo-European h₁ésmi →Every word from Proto-Balto-Slavic esmi →