Where does “איז” come from?

איז (Yiddish) comes from Middle High German ist, from Old High German ist, from Proto-West Germanic *ist, from Proto-Germanic isti, from Proto-Indo-European h₁ēs- — to be.

איז (Yiddish): is: third-person singular present of זײַן

Definitions

  1. is: third-person singular present of זײַן

Ancestry of “איז”, step by step

StepLanguageWordMeaning
1Middle High Germanist—
2Old High Germanist—
3Proto-West Germanic*ist—
4Proto-Germanicisti—
5Proto-Indo-Europeanh₁ēs-to be

Words derived from “איז”

Every word from Proto-Indo-European h₁ēs- →Every word from Proto-Germanic isti →Every word from Proto-West Germanic *ist →