Where does “certajo” come from?

certajo (Ido) comes from Ido certa, from Esperanto certa, from Latin certus, from Proto-Indo-European krey- — to sift, separate, divide.

certajo (Ido): certainty

Definitions

  1. certainty

Ancestry of “certajo”, step by step

StepLanguageWordMeaning
1Idocertacertain, sure, guaranteed
2Esperantocertacertain, sure; certain, some, determinate
3Latincertuscertain; fixed, settled, firm; resolved,...
4Proto-Indo-Europeankrey-to sift, separate, divide
Every word from Proto-Indo-European krey-Every word from Latin certusEvery word from Esperanto certa