Etymologically

Etymology and origin of the Latin word costatus

Confidence
Established
Formation
Derivation
First attested
116–27 BC, Varro
Ultimate origin
Latin costa
Etymology tree
inherited borrowed derived
Latin costa
French côte
Italian costa
English costa
German Kosten
Latin costatus

Pronunciation

  • Classical: [kɔsˈtaː.tʊs][1]
  • Ecclesiastical: [kosˈtaː.tus][1]

Forms

costātus (feminine costāta, neuter costātum); first/second-declension adjective[1]

Etymology

It is from Latin costa (“rib, side”) + -ātus (“provided with”).[2][3][1] De Vaan treats the base as an isolated word of unknown origin, going back to Proto-Italic *ko(n/r)stā-; he considers a link with Slavic “bone” unlikely.[4]

Earliest recorded meaning

Varro, writing on farming, wants oxen to be corpore bene costato, “well-ribbed in body”, with broad shoulders and good haunches.[3][5][6]

Semantic evolution

In Classical Latin it is a rare word, known only from Varro's description of cattle.[5][7] Medieval Latin used it more widely: Albertus Magnus says that fish are ribbed as far as behind the belly, and Theophilus' Schedula describes handles either round or costata, angular.[8] As a noun it named a cut of meat from the ribs, in a charter of 1215,[8][6] and the breast or chest, the part of the body where the ribs are.[9][10]

Its Romance descendants include Italian costato, French côté and Spanish costado, and English has the learned costate.[3][1]

Timeline

  • 116–27 BC – Varro uses it of oxen with a well-ribbed body.[3][6]
  • c. 1100 – Theophilus uses it of angular handles.[8][6]
  • 1215 – A Tyrolean charter uses the noun for rib pieces of meat.[8][6]
  • 13th century – Albertus Magnus uses it of ribbed fish.[8][6]
  • 1348 – The Este chronicle records a man wounded in the costatus, the side.[10]

Meanings

Adjective

  1. Having ribs, ribbed; of animals, well-ribbed, sturdy.[2][5][11]
  2. (Medieval Latin) Angular, having edges.[8]

Noun

  1. (Medieval Latin) A rib piece of meat.[8]
  2. (Medieval Latin) The chest or thorax, the part of the body where the ribs are.[9][10]

Usage notes

A separate, rare costātus “flavoured with costus”, from costum, appears in a Pseudo-Gargilian recipe for wine made with costus[3][12] and in Constantine the African.[8]

References

  1. ^ a b c d e Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b Glare, P. G. W., ed. (2012), Oxford Latin Dictionary, 2nd ed., Oxford: Oxford University Press
  3. ^ a b c d e Thesaurus linguae Latinae (1900–), Leipzig: Teubner; Berlin: De Gruyter; open-access ed., Munich: Bayerische Akademie der Wissenschaften
  4. ^ de Vaan, Michiel (2008), Etymological Dictionary of Latin and the other Italic Languages, Leiden Indo-European Etymological Dictionary Series 7, Leiden; Boston: Brill
  5. ^ a b c Lewis, Charlton T.; Short, Charles (1879), A Latin Dictionary, Oxford: Clarendon Press
  6. ^ a b c d e f Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
  7. ^ Georges, Karl Ernst (1913–1918), Ausführliches lateinisch-deutsches Handwörterbuch, 8th ed., ed. Heinrich Georges, Hannover; Leipzig: Hahn
  8. ^ a b c d e f g h Mittellateinisches Wörterbuch bis zum ausgehenden 13. Jahrhundert (1967–), Munich: C. H. Beck; Bayerische Akademie der Wissenschaften
  9. ^ a b Niermeyer, J. F. (1976), Mediae Latinitatis Lexicon Minus, Leiden: Brill
  10. ^ a b c du Cange, Charles du Fresne, et al. (1883–1887), Glossarium mediae et infimae latinitatis, augmented ed. by Léopold Favre, Niort: L. Favre
  11. ^ Conte, Gian Biagio; Pianezzola, Emilio; Ranucci, Giuliano (2010), il Latino: Vocabolario della lingua latina, 3rd ed., Florence: Le Monnier
  12. ^ Gaffiot, Félix (2016), Dictionnaire latin-français, new ed. by Gérard Gréco et al. (Gaffiot 2016), online ed.
Cite this entry

“Costatus.” Etymologically, 24 Oct. 2026, etymologically.com/la/costatus. Accessed 24 Oct. 2026.

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