duplus

duplus

Latin

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

    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

    Adjective

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

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

    Declension

    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

    Descendants

    • Italo-Dalmatian:
      • Italian: doppio
        • Sardinian: dopiu
        • Sicilian: doppiu
      • Venetan: dopio, dupio
    • Rhaeto-Romance:
    • Gallo-Italic:
      • Ligurian: doggio
      • Lombard: dopi
      • Piedmontese: dobi
    • Gallo-Romance:
      • Catalan: doble
      • Franco-Provençal: doblo
      • Occitan: doble
      • Old French: doble (see there for further descendants)
    • Ibero-Romance: (terms with 'e' endings may be from duplex)

    Borrowings:

    References

    • 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