auxilium

Back-formation from *auxilis, itself from Proto-Italic *aug-s-illi-, from Proto-Italic *augeō. ^[1]

• (Classical Latin) IPA^(key): [au̯kˈsɪ.li.ũː]
• (modern Italianate Ecclesiastical) IPA^(key): [au̯kˈsiː.li.um]

auxilium n (genitive auxiliī or auxilī); second declension

1. help, aid, assistance, relief

   Synonyms: adiumentum, adiūtus, ops, subsidium, fidēs, praesidium

   • 29 BCE – 19 BCE, Virgil, Aeneid 4.538–539:

     [...] “Quiane auxiliō iuvat ante levātōs, / et bene apud memorēs veteris stat grātia factī?”

     [Dido, with bitter sarcasm:] “After all, didn’t it once delight [the Trojans] to be comforted by [my] aid, and don’t [they] remain well-pleased with memories of the former [help that I] gave [them]?”

2. (medicine) antidote, remedy

Second-declension noun (neuter).

¹Found in older Latin (until the Augustan Age).

• (help): adiūmentum, adiūtōrium, opēs, praesidium, subsidium

• auxiliāris
• auxiliārius
• auxiliō
• auxilior

• → Catalan: auxili (learned)
• Italian: ausilio
• → Portuguese: auxílio (learned)
• → Spanish: auxilio (learned)

• “auxilium”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• “auxilium”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• "auxilium", 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)
• auxilium in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.
• Carl Meißner, Henry William Auden (1894) Latin Phrase-Book‎^[1], London: Macmillan and Co.
  • to bring aid to; to rescue: auxilium, opem, salutem ferre alicui
    
  • to be reduced to one's last resource: ad extremum auxilium descendere
    
  • prompt assistance: auxilium praesens
    
  • (ambiguous) to come to assist any one: auxilio alicui venire
    
  • (ambiguous) to summon auxiliary troops: auxilia arcessere