From in- +‎ gign? +‎ -ium .

• ( Classical Latin ) IPA ^{( key )} : /in??e.ni.um/ , [?ŋ???ni???]
• ( modern Italianate Ecclesiastical ) IPA ^{( key )} : /in?d??e.ni.um/ , [in???d???ːnium]

ingenium   n ( genitive ingeni? or ingen? ) ; second declension

1. innate or natural quality , natural character ; nature

   Synonyms: indol?s , m?ns , habitus , n?t?ra , character

2. disposition , temper , inclination
3. intelligence , natural capacity
4. talent , ability , art
   • 8 CE , Ovid , Fasti 2.123 :

     d?ficit ingenium , mai?raque v?ribus urgent

     My ability is lacking, and what urges me on is greater than my strength.

5. a man of genius, a genius
6. ( Medieval Latin ) machine , engine

Second-declension noun (neuter).

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

• “ ingenium ”, in Charlton T. Lewis and Charles Short ( 1879 ) A Latin Dictionary , Oxford: Clarendon Press
• “ ingenium ”, in Charlton T. Lewis ( 1891 ) An Elementary Latin Dictionary , New York: Harper & Brothers
• ingenium 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 Leopold Favre, 1883?1887)
• ingenium in Gaffiot, Felix ( 1934 ) Dictionnaire illustre latin-francais , Hachette.
• Carl Meißner, Henry William Auden ( 1894 ) Latin Phrase-Book ‎ ^[1] , London: Macmillan and Co.
  • a man of ability: vir magno ingenio, ingeniosus
    
  • a man of ability: vir magno ingenio praeditus
    
  • to be talented, gifted: ingenio valere
    
  • to be very talented: ingenio abundare
    
  • natural gifts: natura et ingenium
    
  • to sharpen the wits: ingenium acuere
    
  • penetration; sagacity: ingenii acumen
    
  • dulness of intellect: ingenii tarditas (opp. celeritas )
    
  • weakmindedness: ingenii infirmitas or imbecillitas
    
  • imagination: ingenium, cogitatio
    
  • vivid, lively imagination: ingenii vis or celeritas
    
  • to cultivate the mind: animum, ingenium excolere (not colere )
    
  • mental culture: animi, ingenii cultus (not cultura )
    
  • to be gifted, talented: ingenio valere
    
  • to possess rich mental endowments: summo ingenio praeditum esse
    
  • we expect a great deal from a man of your calibre: magna est exspectatio ingenii tui
    
  • to make a character-sketch of a person: de ingenio moribusque alicuius exponere
    
  • to indulge one's caprice: sibi or ingenio suo indulgere (Nep. Chabr. 3)
    
  • character: natura et mores; vita moresque; indoles animi ingeniique ; or simply ingenium, indoles, natura, mores