Etymology and origin of the Latin word conclusivus
- Confidence
- Established
- Formation
- Derivation
- First attested
- Sulpicius Victor
- Ultimate origin
- Latin conclūdō
Etymology tree
From the same root
Forms
conclūsīvus (feminine conclūsīva, neuter conclūsīvum); first/second-declension adjective[1][2]
Etymology
It is from Latin conclūdō (“to shut up; to conclude”), formed on its past participle conclūsus with the suffix -īvus.[3][2][4]
Earliest recorded meaning
It first appears in the rhetorician Sulpicius Victor, who speaks of a “conclusive quality” in the doctrine of the issues of a case.[3][1]
Semantic evolution
Late Latin also used it of a “conclusive” collection or summary,[3] and Cassiodorus has the adverb conclusive, “in conclusion”.[3] In Medieval Latin it meant “concluding, summarizing”: a treatise on letter-writing names a “conclusive” mark of punctuation, and other writers speak of conclusive arguments, “proving conclusively”.[5][6] In legal use a finis conclusivus was a final decision of a case, as in 15th-century Hungarian documents,[7] and a “conclusive” writing closed the exchange of pleadings.[8] English conclusive (1610s) came from it through French conclusif.[4]
Timeline
- c. 485–c. 580 AD – Cassiodorus uses the adverb conclusive.[3][2]
- 1417 – A Hungarian charter speaks of ending a case “with a conclusive end”.[7]
- 1610s – Borrowed into English, through French, as conclusive.[4]
Meanings
Adjective
- (Late Latin, rhetoric) final, concluding.[3][1]
- (Medieval Latin) Concluding, summarizing.[5][6]
- (Medieval Latin) Proving firmly; conclusive.[5][6]
- (Medieval Latin, law) Final, definitive, ending a case.[7][8]
References
- ^ a b c Conte, Gian Biagio; Pianezzola, Emilio; Ranucci, Giuliano (2010), il Latino: Vocabolario della lingua latina, 3rd ed., Florence: Le Monnier
- ^ a b c Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
- ^ a b c d e f 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
- ^ a b c Mittellateinisches Wörterbuch bis zum ausgehenden 13. Jahrhundert (1967–), Munich: C. H. Beck; Bayerische Akademie der Wissenschaften
- ^ a b c 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
- ^ a b c Bartal, Antal, et al. (1987–), Lexicon Latinitatis Medii Aevi Hungariae, Budapest: Akadémiai Kiadó; online ed. ELTE
- ^ a b Lexicon mediae et infimae Latinitatis Polonorum (1953–), Kraków: Instytut Języka Polskiego PAN; electronic ed. elexicon.scriptores.pl
Cite this entry
“Conclusivus.” Etymologically, 7 Nov. 2026, etymologically.com/la/conclusivus. Accessed 8 Nov. 2026.
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