fiducia

Italian

Etymology

Borrowed from Latin fīdūcia.

Pronunciation

• IPA^(key): /fiˈdu.t͡ʃa/
• Rhymes: -utʃa
• Hyphenation: fi‧dù‧cia

• Audio:

  (file)

Noun

fiducia f (plural fiducie)

1. trust, faith
2. confidence
3. credit

Derived terms

• fiduciante
• fiducioso
• sfiducia
• sfiduciare

Related terms

• fidare
• fido
• fiduciario

Further reading

• fiducia in Treccani.it – Vocabolario Treccani on line, Istituto dell'Enciclopedia Italiana

Latin

Etymology

From unattested *fīdūcus +‎ -ia, from fīdō (“to trust”) +‎ -ūcus; cf. cadūcus.

Pronunciation

• (Classical Latin) IPA^(key): [fiːˈduː.ki.a]
• (modern Italianate Ecclesiastical) IPA^(key): [fiˈduː.t͡ʃi.a]

Noun

fīdūcia f (genitive fīdūciae); first declension

1. trust, confidence, assurance, reliance

   Synonym: fidēs

   • 29 BCE – 19 BCE, Vergilius, Aeneis 1.132:

     “Tantane vōs generis tenuit fīdūcia vestrī?”

     “Have you such confidence in your lineage?”
     (Neptune addresses the winds: The particle “-ne” – tanta-ne – denotes the question.)

2. boldness, courage

   Synonyms: spīritus, fortitūdō, virtūs, animus

3. (law) deposit, pledge, mortgage

   Synonyms: vōtum, pignus

Declension

First-declension noun.

	singular	plural
nominative	fīdūcia	fīdūciae
genitive	fīdūciae	fīdūciārum
dative	fīdūciae	fīdūciīs
accusative	fīdūciam	fīdūciās
ablative	fīdūciā	fīdūciīs
vocative	fīdūcia	fīdūciae

Related terms

• fidē
• fidēlis
• fidēlitās
• fidēliter
• fīdens
• fīdenter
• fīdentia
• fīdō
• fidūciārius
• fīdūciō
• fīdus

Descendants

• Italo-Romance:
  • Tuscan:

    Lucca: feducia

    Viareggio: feduce

• Gallo-Italic:
  • Old Lombard: fiuxia
  • Old Northern Italian: fedusia
  • Piedmontese: fiusa
• Ibero-Romance:
  • Old Leonese:
    • ⇒ Asturian: (obsolete) afiuciar
      • ⇒ Asturian: (obsolete) desfiuciar
  • Old Galician-Portuguese: feuza
    • Galician: fiúza, ⇒ afiúzar (“to trust”)
    • Portuguese: fiúza, ⇒ afizoar (“to take one's vows”)
  • Old Spanish: feduza, feuza, fiuza, fiuzia, fuyzia, fuzia
    • Spanish: hucia (obsolete)
• Borrowings:
  • → Catalan: fidúcia
  • → French: fiducie
  • → Italian: fiducia
  • → Sicilian: fiducia
  • → Spanish: fiducia

References

• Coromines, Joan; Pascual, José Antonio (1984), “hucia”, in Diccionario crítico etimológico castellano e hispánico [Critical Castilian and Hispanic etymological dictionary]‎^[1] (in Spanish), volume III (G–Ma), Madrid: Gredos, →ISBN, page 410
• Walther von Wartburg (1928–2002), “fiducia”, in Französisches Etymologisches Wörterbuch (in German), volume 3: D–F, page 505

Further reading

• “fiducia”, in Charlton T. Lewis and Charles Short (1879), A Latin Dictionary, Oxford: Clarendon Press
• “fiducia”, in Charlton T. Lewis (1891), An Elementary Latin Dictionary, New York: Harper & Brothers
• "fiducia", in Charles du Fresne du Cange, Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
• “fiducia”, in Gaffiot, Félix (1934), Dictionnaire illustré latin-français, Hachette.
• Carl Meißner; Henry William Auden (1894), Latin Phrase-Book‎^[2], London: Macmillan and Co.
  • to put confidence in some one: fiduciam in aliquo ponere, collocare
    
  • to have great confidence in a thing: fiduciam (alicuius rei) habere
    
  • self-confidence: fiducia sui (Liv. 25. 37)
    
• “fiducia”, in Harry Thurston Peck, editor (1898), Harper’s Dictionary of Classical Antiquities, New York: Harper & Brothers
• “fiducia”, in William Smith et al., editor (1890), A Dictionary of Greek and Roman Antiquities, London: William Wayte. G. E. Marindin

Spanish

Etymology

Borrowed from Latin fiducia. Compare the obsolete doublet hucia, which was inherited.

Pronunciation

• IPA^(key): /fiˈduθja/ [fiˈð̞u.θja] (Equatorial Guinea, Spain)
• IPA^(key): /fiˈdusja/ [fiˈð̞u.sja] (Latin America, Philippines)
• Rhymes: -uθja (Equatorial Guinea, Spain)
• Rhymes: -usja (Latin America, Philippines)
• Syllabification: fi‧du‧cia

Noun

fiducia f (plural fiducias)

1. (financial) trust

Further reading

• “fiducia”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8.1, Royal Spanish Academy [Spanish: Real Academia Española], 15 December 2025