supplementum

• supp. (abbreviation)
• subplēmentum

From suppleō (“fill up; complete; supply”) +‎ -mentum.

• (Classical Latin) IPA^(key): /sup.pleːˈmen.tum/, [s̠ʊpːɫ̪eːˈmɛn̪t̪ʊ̃ˑ]
• (modern Italianate Ecclesiastical) IPA^(key): /sup.pleˈmen.tum/, [supːleˈmɛn̪t̪um]

supplēmentum n (genitive supplēmentī); second declension

1. something that fills up or makes up the numbers; supplement
   1. (military) reinforcements
      • 27 BCE – 25 BCE, Titus Livius, Ab Urbe Condita 26.1:

        Si supplemento opus esset, suppleret de legionibus quibus P. Cornelius pro praetore in Sicilia praeesset, […]

        If reinforcements were needed, he should supply them with the legions which Publius Cornelius, propraetor, was in charge of in Sicily, […]

   2. supplies

Second-declension noun (neuter).

• suppleō
• supplētōrium

• Catalan: suplement
• French: supplément
• Galician: suplemento
• Italian: supplemento
• Portuguese: suplemento
• Romanian: supliment
• Spanish: suplemento

• “supplementum”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• “supplementum”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• supplementum in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
• supplementum in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.
• Carl Meißner, Henry William Auden (1894) Latin Phrase-Book‎^[1], London: Macmillan and Co.
  • to levy recruits to fill up the strength: supplementum cogere, scribere, legere