Where does “есмь” come from?

есмь (Russian) comes from Old East Slavic есмь, from Proto-Slavic *esmь, from Proto-Balto-Slavic esmi, from Proto-Indo-European h₁ésmi, from Proto-Indo-European h₁ēs- — to be.

есмь (Russian): (I) am

Definitions

  1. (I) am

Ancestry of “есмь”, step by step

StepLanguageWordMeaning
1Old East Slavicесмь(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
Every word from Proto-Indo-European h₁ēs- →Every word from Proto-Indo-European h₁ésmi →Every word from Proto-Balto-Slavic esmi →