Where does “certeinete” come from?

certeinete (Old French) comes from Vulgar Latin certanitas, from Latin certus, from Proto-Indo-European krey- — to sift, separate, divide.

Ancestry of “certeinete”, step by step

StepLanguageWordMeaning
1Vulgar Latincertanitas
2Latincertuscertain; fixed, settled, firm; resolved,...
3Proto-Indo-Europeankrey-to sift, separate, divide

Words derived from “certeinete

Every word from Proto-Indo-European krey-Every word from Latin certusEvery word from Vulgar Latin certanitas
certeinete — Etymology, Origin & Word History | Etymology Explorer