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