Etymologically

apostolicus

Etymology and origin of the Latin word apostolicus

Confidence
Established
Formation
Borrowing
First attested
c. 160–220 Tertullian More words from the 2nd century
Borrowed from
Ancient Greek ἀποστολικός
Ultimate origin
Ancient Greek ἀποστολικός
Etymology tree
inherited borrowed derived
Latin apostolicus
English apostolic

Pronunciation

  • Classical: [a.pɔsˈtɔ.lɪ.kʊs][1]
  • Ecclesiastical: [a.posˈtɔː.li.kus][1]

Forms

apostolicus (feminine apostolica, neuter apostolicum); first/second-declension adjective[1]

Etymology

It is borrowed from Ancient Greek ἀποστολικός (apostolikós, “apostolic”),[1][2][3] the adjective of ἀπόστολος (apóstolos), the source of Latin apostolus.[4][5]

Earliest recorded meaning

Tertullian (c. 160–220 AD) has it first,[4] meaning “of an apostle” or “of the apostles”: he speaks of the authority of an apostolic precept and of the apostolic age and doctrine.[6][2]

Semantic evolution

As a plural noun, apostolici meant the pupils and friends of the apostles in Tertullian,[2] and Isidore of Seville gives it as the name of a Christian sect.[2]

In Medieval Latin “apostolic” came to mean episcopal: apostolicus vir was a bishop and apostolica sedes the episcopal see; and then papal.[7] As a noun, apostolicus meant a bishop and specifically the pope,[1][4] and in Ecclesiastical Latin Apostolicus is a title of the pope.[8] English borrowed it in the early 15th century as apostolic.[5]

Timeline

  • c. 160–220 AD – Tertullian speaks of an apostolic precept and the apostolic age.[6][2][4]
  • c. 560–636 AD – Isidore of Seville names a sect called apostolici.[2][4]
  • 538/539–594 AD – Gregory of Tours uses it.[4]
  • early 15th century – English borrows it as apostolic.[5]

Meanings

Adjective

  1. (Ecclesiastical Latin) Apostolic, of an apostle or the apostles.[2][6][7]
  2. (Medieval Latin) Episcopal: apostolica sedes, the episcopal see.[7]
  3. (Medieval Latin) Papal.[7]

Noun

  1. (plural) The pupils and friends of the apostles; also a Christian sect.[2]
  2. (Medieval Latin) A bishop; specifically the pope.[1][4][8]

References

  1. ^ a b c d e f Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d e f g h Lewis, Charlton T.; Short, Charles (1879), A Latin Dictionary, Oxford: Clarendon Press
  3. ^ Mittellateinisches Wörterbuch bis zum ausgehenden 13. Jahrhundert (1967–), Munich: C. H. Beck; Bayerische Akademie der Wissenschaften
  4. ^ a b c d e f g Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
  5. ^ a b c Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com
  6. ^ a b c Thesaurus linguae Latinae (1900–), Leipzig: Teubner; Berlin: De Gruyter; open-access ed., Munich: Bayerische Akademie der Wissenschaften
  7. ^ a b c d Niermeyer, J. F. (1976), Mediae Latinitatis Lexicon Minus, Leiden: Brill
  8. ^ a b Stelten, Leo F. (1995), Dictionary of Ecclesiastical Latin, Peabody, Mass.: Hendrickson

Related etymologies

Cite this entry

“Apostolicus.” Etymologically, 7 Nov. 2026, etymologically.com/la/apostolicus. Accessed 9 Nov. 2026.

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