Etymologically

Etymology and origin of the Latin word puritas

Confidence
Established
Formation
Derivation
First attested
297–310 AD, Arnobius
Ultimate origin
Latin pūrus
Etymology tree
inherited borrowed derived
Latin purus
French pur
Italian puro
Latin puritas
From the same root
Latin pure ← purus
Latin puriter ← purus
Latin puro ← purus

Forms

pūritās f (genitive pūritātis); third declension[1]

Etymology

It is from Latin pūrus (“clean, pure”) + -tās.[1][2][3] The adjective goes back to Proto-Italic *pūro- (“pure”) and Proto-Indo-European *ph₂ú-ro- (“clear, cleansed”).[4]

Earliest recorded meaning

Wiktionary dates it from the 3rd century AD.[1] Arnobius (297–310 AD) uses it in the plural of the harmless purity of waters.[2][5]

Semantic evolution

It meant physical cleanness: Palladius uses it of wine, and Macrobius has it too.[3][2] It was soon transferred to the purity of language, as when Jerome speaks of purity of speech and of a Ciceronian purity,[2] and to moral purity and innocence: the Vulgate's “purity of my hands” in Psalm 17,[2][3] Jerome's purity of morals, and in the Historia Augusta a pure, chaste way of life.[2] Symmachus uses it in his letters for a person's integrity.[2]

In Medieval Latin it could mean the plain truth,[6] and British writers used it for freedom from admixture, of blood, air, light, metal or coin, and for ritual purity.[7] English took it through Old French as purity about 1200.[8]

Timeline

  • 297–310 AD – Arnobius speaks of the purity of waters.[2][5]
  • c. 340–402 AD – Symmachus uses it of a person's integrity.[2][5]
  • c. 383–419/420 AD – Jerome uses it of purity of speech and of morals.[2][5]
  • 390–406 AD – The Vulgate has “the purity of my hands” in Psalm 17.[2][3][5]
  • end of 4th / beginning of 5th century AD – Palladius uses it of the clearness of wine.[3][5]
  • 533 AD – It appears in the Digest.[5]
  • c. 1200 – English borrows it, through Old French, as purite.[8]

Meanings

Noun

  1. Cleanness, purity, clearness (of water or wine).[3][2][9]
  2. Purity, correctness of style or language.[2][1]
  3. Moral purity, innocence, chastity.[2][1][9]
  4. (Medieval Latin) The plain, simple truth.[6]
  5. (Medieval Latin) Freedom from admixture (of blood, air, metal or coin); ritual purity.[7]
  • English purity

Usage notes

A second pūritās, “suppuration”, formed from pūs, appears once, of the blood, in Caelius Aurelianus (5th century AD).[2][10][3][5]

References

  1. ^ a b c d e Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d e f g h i j k l m n o Georges, Karl Ernst (1913–1918), Ausführliches lateinisch-deutsches Handwörterbuch, 8th ed., ed. Heinrich Georges, Hannover; Leipzig: Hahn
  3. ^ a b c d e f g Lewis, Charlton T.; Short, Charles (1879), A Latin Dictionary, Oxford: Clarendon Press
  4. ^ de Vaan, Michiel (2008), Etymological Dictionary of Latin and the other Italic Languages, Leiden Indo-European Etymological Dictionary Series 7, Leiden; Boston: Brill
  5. ^ a b c d e f g h Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
  6. ^ a b Niermeyer, J. F. (1976), Mediae Latinitatis Lexicon Minus, Leiden: Brill
  7. ^ a b 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
  8. ^ a b Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com
  9. ^ a b Stelten, Leo F. (1995), Dictionary of Ecclesiastical Latin, Peabody, Mass.: Hendrickson
  10. ^ Gaffiot, Félix (2016), Dictionnaire latin-français, new ed. by Gérard Gréco et al. (Gaffiot 2016), online ed.
Cite this entry

“Puritas.” Etymologically, 24 Oct. 2026, etymologically.com/la/puritas. Accessed 24 Oct. 2026.

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