Etymologically

Etymology and origin of the Latin word uterinus

Confidence
Established
Formation
Derivation
First attested
390–406 Vulgate More words from the 4th century
Ultimate origin
Latin uterus
Etymology tree
inherited borrowed derived
Latin uterus
English uterus
Latin uterīnus
English uterine

Pronunciation

  • Classical: [ʊ.tɛˈriː.nʊs][1]
  • Ecclesiastical: [u.teˈriː.nus][1]

Forms

uterīnus (feminine uterīna, neuter uterīnum); first/second-declension adjective[1]

Etymology

It is formed from Latin uterus (“womb”) + -īnus.[1][2][3]

Earliest recorded meaning

Georges records it in Dictys Cretensis and in Julius Capitolinus' life of Antoninus Pius,[4] and the Vulgate has it in Genesis,[5][3] in the sense “born of the same mother”.[5][4]

Semantic evolution

Its main use was in law and in the Bible, for brothers and sisters born of the same mother (frātrēs uterīnī),[5][4][6] as in the Theodosian and Justinian codes.[5] Isidore of Seville discusses the term.[4]

In medieval Latin it was also used as a noun for such a half-brother,[3][2] and in its literal sense “of the womb”.[2] English took the word, through Old French, first in the sense “born of the same mother” and later as “of the womb”.[7]

Timeline

  • 390–406 AD – The Vulgate uses it of brothers born of the same mother.[5][3]
  • 438 AD – The Theodosian Code speaks of a brother and sister uterini.[5][4][3]
  • 528–534 AD – The Code of Justinian uses it of brothers and sisters.[5][3]
  • c. 560–636 AD – Isidore of Seville discusses the term.[4][3]
  • early 15th century – English borrows it, through Old French, as uterine, “born of the same mother”.[7]

Meanings

Adjective

  1. Born of the same mother, uterine: frātrēs uterīnī, half-brothers with one mother.[5][4][6]
  2. (Medieval Latin) Of the womb.[2]

Noun

  1. (Medieval Latin) A half-brother by the same mother; a brother.[3][2]

References

  1. ^ a b c d Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d e 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
  3. ^ a b c d e f g h Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
  4. ^ a b c d e f g Georges, Karl Ernst (1913–1918), Ausführliches lateinisch-deutsches Handwörterbuch, 8th ed., ed. Heinrich Georges, Hannover; Leipzig: Hahn
  5. ^ a b c d e f g h Lewis, Charlton T.; Short, Charles (1879), A Latin Dictionary, Oxford: Clarendon Press
  6. ^ a b Niermeyer, J. F. (1976), Mediae Latinitatis Lexicon Minus, Leiden: Brill
  7. ^ a b Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com
Cite this entry

“Uterinus.” Etymologically, 14 Nov. 2026, etymologically.com/la/uterinus. Accessed 14 Nov. 2026.

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