English
certitude
Certitude comes from Middle French certitude ‘certainty’, and goes back to Proto-Indo-European *krey- ‘to sift, separate, divide’.
- Proto-Indo-Europeanc. 4500–2500 BCE*krey-‘to sift, separate, divide’reconstructed
- Proto-Italicc. 1500–700 BCE*kritosreconstructed
- Latinc. 75 BCE–200 CEcertus‘certain’
- Late Latinc. 200–600 CEcertitūdō‘certainty, certitude’
- Middle Frenchc. 1400–1600certitude‘certainty’
- Englishtodaycertitude
attested reconstructed ? uncertain or disputed deepest recorded ancestor
Lineage
- Proto-Indo-Europeanc. 4500–2500 BCE*krey-‘to sift, separate, divide’reconstructed
- Proto-Italicc. 1500–700 BCE*kritosreconstructed
- Latinc. 75 BCE–200 CEcertus‘certain’
- Late Latinc. 200–600 CEcertitūdō‘certainty, certitude’
- Middle Frenchc. 1400–1600certitude‘certainty’
- Englishtodaycertitude
Linked words
through Proto-Indo-European *krey- ‘to sift, separate, divide’
secretary, secret, crime, criminal, crisis, discrimination, discretion, critic, discrete, critique, discriminate, riddle, discreet, hypocrite, criterion, endocrine, discern, excrement, incriminate, excretion, rime, excrete, incrimination, recrimination, ridder, criterium, 44 more
through Proto-Italic *kritos
certainly, certainty, ascertain, 4 more
through Latin certus ‘certain’
Today it means
noun Sureness, certainty.
Language periods are conventional ranges, not dates for this word.
Etymograph / Proto-Indo-European *krey- / certitude