Etymology and origin of the Latin word fraternitas
- Confidence
- Established
- Formation
- Derivation
- First attested
- c. 35–96 Quintilian More words from the 1st century
- Ultimate origin
- Latin frāternus
Etymology tree
Derivations
From the same root
Forms
frāternitās f (genitive frāternitātis); third declension[1]
Etymology
It is formed from Latin frāternus (“brotherly”) + -tās.[2][3][1] frāternus is from frāter (“brother”),[1][4] which goes back to Proto-Italic *frāter- and Proto-Indo-European *bʰréh₂-tr- (“brother”).[5]
Earliest recorded meaning
Köbler's first source is Quintilian,[6] and the TLL's first citations, from the declamations under his name, use it of the bond and affection between brothers.[3]
Semantic evolution
Lewis and Short call the word post-Augustan and very rare.[7] Besides the tie between brothers, it was used of allies: Tacitus writes that the Aedui alone of the Gauls claimed the name of brotherhood with the Roman people (Aedui soli Gallorum fraternitatis nomen cum populo Romano usurpant).[7][3] Ulpian says that a partnership has in it a kind of right of brotherhood,[3] and Lactantius uses it for the bond of brotherhood among all people.[3][7]
In Christian Latin it came to mean the brethren themselves, as in Cyprian,[8] and it appears in the Vulgate.[7][9] Medieval Latin gave it many institutional senses: the Christian community, a religious community, a congregation of monks, a chapter of canons, a fellowship of prayers and good works and membership in one, a lay religious brotherhood, and a merchant or craft guild; it could also mean a younger brother's share of an inheritance.[10] English took the word, through Old French fraternité, in the early 14th century as fraternity.[4]
Timeline
- c. 35–95/96 AD – Quintilian is Köbler's first source; the declamations under his name use it of brothers.[6][3]
- 98–115 AD – Tacitus uses it of the brotherhood the Aedui claimed with Rome.[7][3][6]
- before 223 AD – Ulpian uses it of the bond between partners.[3][6]
- beginning of 3rd century–258 AD – Cyprian uses it for the Christian brethren.[8][6]
- c. 250–317 AD – Lactantius speaks of the bond of brotherhood among people.[7][3][6]
- 390–406 AD – The Vulgate uses it.[7][9][6]
- early 14th century – English borrows it, through Old French, as fraternity.[4]
Meanings
Noun
- The relationship of brothers, brotherhood, fraternity.[2][7]
- Brotherly alliance between peoples.[3][8][9]
- Brotherly love among all people.[3]
- (Ecclesiastical Latin) The brethren; the community of Christians.[8][10][11]
- (Medieval Latin) A religious community, a congregation of monks or a chapter of canons.[10][12]
- (Medieval Latin) A fellowship of prayers and good works; membership in one.[10]
- (Medieval Latin) A lay religious brotherhood; a merchant or craft guild.[10]
- (Medieval Latin) A younger brother's share of an inheritance.[10]
Related words
- frāter
- English fraternity
References
- ^ a b c d e Wiktionary, the free dictionary, https://en.wiktionary.org
- ^ a b Glare, P. G. W., ed. (2012), Oxford Latin Dictionary, 2nd ed., Oxford: Oxford University Press
- ^ a b c d e f g h i j k Thesaurus linguae Latinae (1900–), Leipzig: Teubner; Berlin: De Gruyter; open-access ed., Munich: Bayerische Akademie der Wissenschaften
- ^ a b c Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com
- ^ de Vaan, Michiel (2008), Etymological Dictionary of Latin and the other Italic Languages, Leiden Indo-European Etymological Dictionary Series 7, Leiden; Boston: Brill
- ^ a b c d e f g Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
- ^ a b c d e f g h Lewis, Charlton T.; Short, Charles (1879), A Latin Dictionary, Oxford: Clarendon Press
- ^ a b c d Georges, Karl Ernst (1913–1918), Ausführliches lateinisch-deutsches Handwörterbuch, 8th ed., ed. Heinrich Georges, Hannover; Leipzig: Hahn
- ^ a b c Gaffiot, Félix (2016), Dictionnaire latin-français, new ed. by Gérard Gréco et al. (Gaffiot 2016), online ed.
- ^ a b c d e f Niermeyer, J. F. (1976), Mediae Latinitatis Lexicon Minus, Leiden: Brill
- ^ Stelten, Leo F. (1995), Dictionary of Ecclesiastical Latin, Peabody, Mass.: Hendrickson
- ^ Mittellateinisches Wörterbuch bis zum ausgehenden 13. Jahrhundert (1967–), Munich: C. H. Beck; Bayerische Akademie der Wissenschaften
Cite this entry
“Fraternitas.” Etymologically, 7 Nov. 2026, etymologically.com/la/fraternitas. Accessed 9 Nov. 2026.
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