Etymology and origin of the Latin word supplementum
- Confidence
- Established
- Formation
- Derivation
- First attested
- 81–43 BC, Cicero
- Ultimate origin
- Proto-Indo-European (*pleh₁-)
Forms
supplēmentum n (genitive supplēmentī); second declension[1]
Etymology
It is from Latin suppleō (“to fill up”) + -mentum.[2][1][3] That verb is sub- with ⟨-pleō⟩ “to fill”, which de Vaan traces to Proto-Indo-European *pleh₁- (“to fill”).[4]
Earliest recorded meaning
Cicero writes of enrolling a supplement for the legions;[5][2] Brutus writes to him that they lack two things, money and reinforcements.[5][2]
Semantic evolution
Lewis & Short note that its classical sense is military, the making up of a body of troops to strength and the reinforcements themselves: Caesar has a man leave the army on the pretext of raising recruits, and Livy uses it often of troops and rowers.[5][2] In a general sense, something added to make up a whole, a supplement, it is rare and perhaps post-Augustan: Columella keeps one of twin kids to fill up the flock, and Suetonius has a horn ring as an aid to writing.[5] In Medieval Latin it is support, sustenance and refuge.[6] Church Latin glosses it supply, supplement, fulfilling.[7]
Timeline
- 81–43 BC – Cicero of reinforcements.[5]
- c. 50 BC – Caesar of recruiting.[5][3]
- 1st century AD – Columella of replenishing a flock.[5][3]
Meanings
Noun
- (military) A making up to strength; reinforcements, recruits.[2][5][1]
- Something that completes a whole, a supplement, supply.[2][5][1][7]
- (Medieval Latin) Support, sustenance; refuge.[6]
Related words
- suppleō
- supplētōrium
- impleō
- English supplement
Usage notes
Döderlein distinguishes complēmentum, which completes and crowns a thing like a keystone, from supplēmentum, which fills gaps and supplies what is missing.[8]
References
- ^ a b c d e f Wiktionary, the free dictionary, https://en.wiktionary.org
- ^ a b c d e f Glare, P. G. W., ed. (2012), Oxford Latin Dictionary, 2nd ed., Oxford: Oxford University Press
- ^ a b c 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 d e f g h i Lewis, Charlton T.; Short, Charles (1879), A Latin Dictionary, Oxford: Clarendon Press
- ^ a b Niermeyer, J. F. (1976), Mediae Latinitatis Lexicon Minus, Leiden: Brill
- ^ a b Stelten, Leo F. (1995), Dictionary of Ecclesiastical Latin, Peabody, Mass.: Hendrickson
- ^ Döderlein, Ludwig (1874), Döderlein’s Hand-book of Latin Synonymes, tr. H. H. Arnold, Andover: W. F. Draper
Borrowed into
- English supplement
Cite this entry
“Supplementum.” Etymologically, 20 Oct. 2026, etymologically.com/la/supplementum. Accessed 20 Oct. 2026.
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