Where does “cert” come from?

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

cert (Old French): certain; sure

Definitions

  1. certain; sure

Ancestry of “cert”, step by step

StepLanguageWordMeaning
1Latincertuscertain; fixed, settled, firm; resolved,...
2Proto-Indo-Europeankrey-to sift, separate, divide
Every word from Proto-Indo-European krey-Every word from Latin certus