Latin

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Latin numbers (edit)
20[a], [b], [c]
 ←  1 II
2
3  → 
    Cardinal: duo
    Ordinal: secundus, alter
    Adverbial: bis
    Proportional: duplus
    Multiplier: duplex, alterplex, biplex
    Distributive: bīnus
    Collective: bīniō
    Fractional: dīmidius, sēmis

Etymology

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Inherited from Proto-Italic *duplos. By surface analysis, duo +‎ -plus.[1] Cf. Ancient Greek διπλόος (diplóos, double), from δι- (di-), from δύο (dúo, two), + -πλόος (-plóos, -fold), and Proto-Germanic *twīflaz (doubt).

Pronunciation

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Adjective

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duplus (feminine dupla, neuter duplum); first/second-declension adjective

  1. double (twice as much, or as big)

Declension

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First/second-declension adjective.

singular plural
masculine feminine neuter masculine feminine neuter
nominative duplus dupla duplum duplī duplae dupla
genitive duplī duplae duplī duplōrum duplārum duplōrum
dative duplō duplae duplō duplīs
accusative duplum duplam duplum duplōs duplās dupla
ablative duplō duplā duplō duplīs
vocative duple dupla duplum duplī duplae dupla

Derived terms

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Descendants

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References

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  • duplus”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
  • duplus”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
  • duplus in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.
  1. ^ De Vaan, Michiel (2008) “-plus”, in Etymological Dictionary of Latin and the other Italic Languages (Leiden Indo-European Etymological Dictionary Series; 7), Leiden, Boston: Brill, →ISBN, page 475