Where does “certi” come from?
certi (Esperanto) comes from Esperanto certa, from Latin certus, from Proto-Indo-European krey- — to sift, separate, divide.
certi (Esperanto): to be certain
Ancestry of “certi”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Esperanto | certa | certain, sure; certain, some, determinate |
| 2 | Latin | certus | certain; fixed, settled, firm; resolved,... |
| 3 | Proto-Indo-European | krey- | to sift, separate, divide |