Etymologically

Etymology and origin of the Latin word Petrus

Confidence
Established
Formation
Borrowing
First attested
Latin Bible
Borrowed from
Ancient Greek Πέτρος
Ultimate origin
Ancient Greek πέτρος

Pronunciation

  • Classical: [ˈpɛ.trʊs][1]
  • Ecclesiastical: [ˈpɛː.trus][1]

Forms

Petrus m (genitive Petrī); second declension[1]

Etymology

It is borrowed from Ancient Greek Πέτρος (Pétros), from πέτρος (pétros, “stone, rock”).[1][2][3] Etymonline explains the Greek name as a translation of the Syriac word for “stone”, which Latin writes Cēphās.[2][3]

Earliest recorded meaning

It came into Latin through the Bible, as the name of Saint Peter, the chief of the apostles, first called Simon and surnamed Cephas.[3][4][5]

Semantic evolution

Besides the apostle, it became a common Christian given name.[1][2] Its descendants include Italian Pietro,[5] and English Peter comes from it through Old English.[2]

Timeline

  • 390–406 AD – The Vulgate names the apostle Peter.[3][4]
  • 12th century – English Peter, from Old English Petrus.[2]

Meanings

Proper noun

  1. Peter, the apostle.[3][1][6][5]
  2. A male given name, equivalent to English Peter.[1]

References

  1. ^ a b c d e f g Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d e Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com
  3. ^ a b c d e Gaffiot, Félix (2016), Dictionnaire latin-français, new ed. by Gérard Gréco et al. (Gaffiot 2016), online ed.
  4. ^ a b Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
  5. ^ a b c Conte, Gian Biagio; Pianezzola, Emilio; Ranucci, Giuliano (2010), il Latino: Vocabolario della lingua latina, 3rd ed., Florence: Le Monnier
  6. ^ Stelten, Leo F. (1995), Dictionary of Ecclesiastical Latin, Peabody, Mass.: Hendrickson

Related etymologies

Cite this entry

“Petrus.” Etymologically, 23 Oct. 2026, etymologically.com/la/Petrus. Accessed 23 Oct. 2026.

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