Where does “sūm” come from?
sūm (Latin) comes from Proto-Italic ezom, from Proto-Indo-European h₁ésmi, from Proto-Indo-European h₁ēs-.
Ancestry of “sūm”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Proto-Italic | ezom | to be |
| 2 | Proto-Indo-European | h₁ésmi | first-person singular present indicative of... |
| 3 | Proto-Indo-European | h₁ēs- | — |