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From quam (how, how much).

From Proto-Indo-European *kuiʰent- (how much, how many). Cognates include Sanskrit kivant-, Avestan čvant-, Old Persian čiyant-, Kurdish çend.



quantus (feminine quanta, neuter quantum); first/second-declension adjective

  1. how much, how many
  2. how big

Usage notesEdit

  • Being naturally adjective, quantus was then used substantively as quantum (with genitive) to mean "as much"; as quantī (pretiī) to mean "how high (a price)", "as high (a price) as", "how dear", "as dear as"; adverbially as quantum to mean "as much as" (cf. quam); as quantō to mean "by how much", "by as much as". For all these tantus has its coordinate functions.


First/second-declension adjective.

Number Singular Plural
Case / Gender Masculine Feminine Neuter Masculine Feminine Neuter
Nominative quantus quanta quantum quantī quantae quanta
Genitive quantī quantae quantī quantōrum quantārum quantōrum
Dative quantō quantō quantīs
Accusative quantum quantam quantum quantōs quantās quanta
Ablative quantō quantā quantō quantīs
Vocative quante quanta quantum quantī quantae quanta

Coordinate termsEdit

Derived termsEdit

Related termsEdit


  • Aromanian: cãt (through conflation with quotus)
  • Asturian: cuántu
  • Catalan: quant
  • Dalmatian: cont
  • Franco-Provençal: quint (through confusion with quinam)
  • French: quant
  • Galician: canto
  • Italian: quanto
  • Neapolitan: quanto
  • Occitan: quant


  • quantus in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
  • quantus in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
  • quantus in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition, 1883–1887)
  • quantus in Gaffiot, Félix (1934) Dictionnaire Illustré Latin-Français, Hachette
  • Carl Meissner; Henry William Auden (1894) Latin Phrase-Book[1], London: Macmillan and Co.
    • (ambiguous) as far as I can guess: quantum ego coniectura assequor, auguror
    • (ambiguous) as far as I know: quantum scio
    • (ambiguous) I am not dissatisfied with my progress: non me paenitet, quantum profecerim
    • (ambiguous) to take only enough food to support life: tantum cibi et potionis adhibere quantum satis est
  • quantity in The Century Dictionary, The Century Co., New York, 1911