Etymologically

fratricidium

Etymology and origin of the Latin word fratricidium

Confidence
Established
Formation
Derivation
First attested
c. 160–220 Tertullian More words from the 2nd century
Ultimate origin
Latin frātricīda
Etymology tree
inherited borrowed derived
Latin frāter
French frère
Latin frātricīda
Latin frātricīdium
English fratricide
From the same root
Latin frātellus ← frāter
Latin frāternus ← frāter

Pronunciation

  • Classical: [fraː.trɪˈkiː.di.ũː][1]
  • Ecclesiastical: [fra.triˈt͡ʃiː.di.um][1]

Forms

frātricīdium n (genitive frātricīdiī or frātricīdī); second declension[1]

Etymology

It is formed from Latin frātricīda (“murderer of a brother”) + -ium,[2][3][4] or, as Wiktionary analyses it, from frāter (“brother”) and the suffix -cīdium.[1]

Earliest recorded meaning

It belongs to Church Latin[2] and is first found in Tertullian (c. 160–220 AD),[5] who writes that the first crime, homicide, was inaugurated in a fratricide (primum scelus homicidium, in fratricidio dedicatum).[3]

Semantic evolution

Jerome, Salvian and Fulgentius use it in the same sense, the murder of one's brother.[2][3] In the early medieval law codes it stands beside the killing of a father and of other kin: a chapter of the Laws of the Alamanni is headed “on patricides and fratricides”.[6][5] The capitularies use it too,[6][5] and it is found in medieval charters.[7]

Italian continues it as fratricidio.[8]

Timeline

  • c. 160–220 AD – Tertullian calls the first homicide a fratricide.[3][5]
  • c. 383–419/420 AD – Jerome uses it.[2][5]
  • 712–725? – The Laws of the Alamanni name fratricides in a chapter heading.[6][5]
  • 1358 – A Hungarian charter speaks of the crime of fratricide.[7]

Meanings

Noun

  1. The murder of one's brother, fratricide.[2][9][10]

References

  1. ^ a b c d Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d e Lewis, Charlton T.; Short, Charles (1879), A Latin Dictionary, Oxford: Clarendon Press
  3. ^ a b c d Thesaurus linguae Latinae (1900–), Leipzig: Teubner; Berlin: De Gruyter; open-access ed., Munich: Bayerische Akademie der Wissenschaften
  4. ^ Georges, Karl Ernst (1913–1918), Ausführliches lateinisch-deutsches Handwörterbuch, 8th ed., ed. Heinrich Georges, Hannover; Leipzig: Hahn
  5. ^ a b c d e f Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
  6. ^ a b c Mittellateinisches Wörterbuch bis zum ausgehenden 13. Jahrhundert (1967–), Munich: C. H. Beck; Bayerische Akademie der Wissenschaften
  7. ^ a b Bartal, Antal, et al. (1987–), Lexicon Latinitatis Medii Aevi Hungariae, Budapest: Akadémiai Kiadó; online ed. ELTE
  8. ^ Conte, Gian Biagio; Pianezzola, Emilio; Ranucci, Giuliano (2010), il Latino: Vocabolario della lingua latina, 3rd ed., Florence: Le Monnier
  9. ^ Gaffiot, Félix (2016), Dictionnaire latin-français, new ed. by Gérard Gréco et al. (Gaffiot 2016), online ed.
  10. ^ Niermeyer, J. F. (1976), Mediae Latinitatis Lexicon Minus, Leiden: Brill
Cite this entry

“Fratricidium.” Etymologically, 7 Nov. 2026, etymologically.com/la/fratricidium. Accessed 8 Nov. 2026.

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