Etymology and origin of the Latin word credibilitas
- Confidence
- Established
- Formation
- Derivation
- First attested
- 1252
- Ultimate origin
- Latin credibilis
Etymology tree
From the same root
Forms
crēdibilitās f (genitive crēdibilitātis); third declension[1]
Etymology
It is from Latin crēdibilis + -tās.[1][2]
Earliest recorded meaning
The DMLBS's earliest instance is a letter of 1252 asking that faith and credence be given to two citizens sent about the state of Gascony.[3][4]
Semantic evolution
In Medieval Latin it meant credence, the trust given to someone's word,[3][4] and Ecclesiastical Latin used it for credibility.[5] In the Latin of the Czech lands it also stood for orthodox faith.[6]
It is the source of English credibility, recorded from the 1590s,[2] and Wiktionary lists Italian credibilità, French crédibilité and Spanish credibilidad among its descendants.[1]
Timeline
- 1252 – A letter asks that fides et credibilitas be given to two envoys.[3][4]
- 1590s – English borrows it as credibility.[2]
Meanings
Noun
- credence, belief or trust given to someone.[3][4]
- credibility.[5][1]
- (Medieval Latin) Orthodox faith.[6]
Related words
- English credibility
References
- ^ a b c d Wiktionary, the free dictionary, https://en.wiktionary.org
- ^ a b c Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com
- ^ a b c d Latham, R. E., D. R. Howlett, R. K. Ashdowne, et al. (1975–2013), Dictionary of Medieval Latin from British Sources, London: British Academy / Oxford University Press
- ^ a b c d Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
- ^ a b Stelten, Leo F. (1995), Dictionary of Ecclesiastical Latin, Peabody, Mass.: Hendrickson
- ^ a b Latinitatis medii aevi lexicon Bohemorum / Slovník středověké latiny v českých zemích (1977–), Prague: Academia; electronic version, Institute of Philosophy of the Czech Academy of Sciences
Borrowed into
- English credibility
Cite this entry
“Credibilitas.” Etymologically, 24 Oct. 2026, etymologically.com/la/credibilitas. Accessed 24 Oct. 2026.
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