Etymology Explorer › English

Where does “ascertainest” come from?

ascertainest (English) comes from English ascertain, from Middle English acerteynen, from Old French acertener, from Old French certain, from Vulgar Latin certanus, from Latin certus, from Proto-Indo-European krey- — to sift, separate, divide.

ascertainest (English): second-person singular simple present form of...

Definitions

  1. second-person singular simple present form of...

Ancestry of “ascertainest”, step by step

StepLanguageWordMeaning
1EnglishascertainTo find out definitely; to discover or establish;...
2Middle Englishacerteynen—
3Old Frenchacertenerto assure; to make sure of, to make certain of
4Old Frenchcertaincertain; sure
5Vulgar Latincertanuscertain
6Latincertuscertain; fixed, settled, firm; resolved,...
7Proto-Indo-Europeankrey-to sift, separate, divide
Every word from Proto-Indo-European krey- →