Etymology and origin of the Latin word plenarius
- Confidence
- Established
- Formation
- Derivation
- First attested
- c. 340–397 Ambrose More words from the 4th century
- Ultimate origin
- Latin plēnus
Etymology tree
From the same root
Forms
plēnārius (feminine plēnāria, neuter plēnārium); first/second-declension adjective[1]
Etymology
It is from Latin plēnus (“full”) + -ārius.[1][2][3] plēnus goes back to Proto-Italic *plēno- and Proto-Indo-European *pl̥h₁-nó- (“full”).[4]
Earliest recorded meaning
The TLL records it from Ambrose on, who speaks of three full blessings received; it means full, complete.[2][3]
Semantic evolution
In Late Latin it was a prose word, used mostly by Church writers and in law.[2] Augustine speaks of a plenarium concilium, a full or plenary council of the Church,[5] a sense that medieval Latin kept for plenary assemblies.[6][7]
Medieval Latin used it widely for what is full or entire: a full measure of land, a full tithe, a whole period of time.[8] As a noun, plenarius or plenarium was a missal or a book containing the Gospels and Epistles, and plenarium also an inventory of all the estates of a religious house, or a reliquary.[6] English took the adjective as plenar in the mid-13th century and as plenary in the early 15th, partly through Old French.[9]
Timeline
- c. 340–397 AD – Ambrose uses it for something full and complete.[2][3]
- 354–430 AD – Augustine writes of a plenary council.[5][3]
- 1123 – A Bath charter speaks of a full tithe.[8]
- early 15th century – English has plenary, from Old French and directly from medieval Latin.[9]
Meanings
Adjective
Noun
- (Medieval Latin) A missal; a book containing the Gospels and Epistles.[6]
- (Medieval Latin, neuter plenarium) An inventory of all the estates of a religious house; a reliquary.[6]
Related words
References
- ^ a b c d Wiktionary, the free dictionary, https://en.wiktionary.org
- ^ a b c d e Thesaurus linguae Latinae (1900–), Leipzig: Teubner; Berlin: De Gruyter; open-access ed., Munich: Bayerische Akademie der Wissenschaften
- ^ a b c d Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
- ^ 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 Conte, Gian Biagio; Pianezzola, Emilio; Ranucci, Giuliano (2010), il Latino: Vocabolario della lingua latina, 3rd ed., Florence: Le Monnier
- ^ a b c d e f Niermeyer, J. F. (1976), Mediae Latinitatis Lexicon Minus, Leiden: Brill
- ^ a b Stelten, Leo F. (1995), Dictionary of Ecclesiastical Latin, Peabody, Mass.: Hendrickson
- ^ a b 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 Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com
Cite this entry
“Plenarius.” Etymologically, 7 Nov. 2026, etymologically.com/la/plenarius. Accessed 8 Nov. 2026.
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