LATIN DICTIONARYLexicon Latīnum
noun · femininefirst declension

perfidia

perfidia f (genitive perfidiae)
Classical[pɛrˈfɪ.di.a]Ecclesiastical[perˈfiː.di.a]

Meaning

  1. femininefaithlessness, dishonesty, treachery, falsehood, perfidy

Latīnē defined in Latin in our graded readers

Declension

declension
formsingularplural
nominativeperfidiaperfidiae
genitiveperfidiaeperfidiārum
dativeperfidiaeperfidiīs
accusativeperfidiamperfidiās
ablativeperfidiāperfidiīs
vocativeperfidiaperfidiae

perfĭdĭa, ae, f. perfidus,
I. faithlessness, dishonesty, treachery, falsehood, perfidy (class.): perfidiā deceptus, Cic. Rosc. Am. 38, 110: fraude et perfidiā aliquem fallere, id. ib. 40, 117; id. Fam. 1, 2, 3: admittere perfidiam in aliquem, Suet. Caes. 75: perfidiae tantae (fuit), ut, etc., id. Ner. 5: repens, Tac. H. 4, 25; Juv. 13, 24.—In plur., Plaut. Capt. 3, 3, 7; id. Ps. 2, 1, 6; Gell. 14, 2, 6.—Of an inanim. thing: sub ipsis positum labris in acoris perfidiam vinum repente mutari, Arn. 1, 12.

Origins

  1. Proto-Indo-European*per-
  2. Proto-Italic*per
  3. Latinperfidia

Proto-Indo-European *bʰeydʰ-der. Latin fidēs Proto-Indo-European *-ós Proto-Indo-European *-os Proto-Indo-European *-ós Proto-Indo-European *-ós Proto-Indo-European *-ós Proto-Indo-European *-ós Proto-Indo-European *-os Proto-Italic *-os Archaic Latin -os Latin -us Latin perfidus Proto-Indo-European *-(i)yós Proto-Italic *-ijos Proto-Italic *-ios Old Latin -ios Latin -ius Latin -ia Latin perfidia From perfidus + -ia.

Descendants
  • Catalanperfídia
  • Frenchperfidie
  • GermanPerfidiefrom French perfidie
  • Englishperfidyfrom French perfidie
  • Italianperfidia
  • Portugueseporfiafrom Old Galician-Portuguese perfia
  • Portugueseperfídia
  • Spanishporfía
  • Galicianporfíafrom Old Galician-Portuguese perfia
  • Polishperfidia

Quick answers

What does perfidia mean in Latin?
perfidia, a noun, means “faithlessness, dishonesty, treachery, falsehood, perfidy”.
What is the genitive of perfidia?
The genitive singular is perfidiae. perfidia is feminine, first declension.
How do you pronounce perfidia?
In classical Latin, [pɛrˈfɪ.di.a]; in ecclesiastical (church) Latin, [perˈfiː.di.a].
Where does perfidia come from?
Proto-Indo-European *per- → Proto-Italic *per → Latin perfidia.