Where does “certeinte” come from?

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

Ancestry of “certeinte”, step by step

StepLanguageWordMeaning
1Old Frenchcerteinete
2Vulgar Latincertanitas
3Latincertuscertain; fixed, settled, firm; resolved,...
4Proto-Indo-Europeankrey-to sift, separate, divide

Words derived from “certeinte

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