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Bidens

同義語(異表記)
Beggartick
Bidens
Bidens pilosa

日本語WordNet(英和)

日本語WordNet

bidens

名詞

1. タウコギ(bur marigolds)

Wiktionary英語版

出典:Wiktionary

bidens

出典:『Wiktionary』 (2026/05/26 22:43 UTC )


別の表記

  • duidēns

発音

語源 1

    From bi- (two-) + ns (tooth).

    形容詞

    bidēns (genitive bidentis); third-declension one-termination adjective

    1. (literally) two-toothed
    2. (figuratively) two-pronged
    語形変化

    Third-declension one-termination adjective.

    singular plural
    masc./fem. neuter masc./fem. neuter
    nominative bidēns bidentēs bidentia
    genitive bidentis bidentium
    dative bidentī bidentibus
    accusative bidentem bidēns bidentīs
    bidentēs
    bidentia
    ablative bidentī
    bidente
    bidentibus
    vocative bidēns bidentēs bidentia
    派生語
    派生した語
    • Translingual: Bidens
    • English: bident

    語源 2

      Ellipsis of bidēns ovis f (two-toothed sheep), referring to a sheep of an age (typically between one and two years old) when only the two front incisors in its lower jaw have been replaced by permanent teeth, which are larger, thus standing out in contrast with the six remaining milk teeth (see this Wikipedia article). Compare also victima f and hostia f.

      Some ancient authors instead believed it was derived from biennis (two-year-old), with -d- inserted between the prefix and base and a shift of -nn- to -nt-, neither of which would be regular changes. (Some Latin prefixes, such as re- and prō-, do have variant forms ending in -d- that can appear before a vowel, as in redimō and prōdigō from emō and agō; however, this would be the only example of bid- being used for bi-.) See the quote from Aulus Gellius below, himself referencing already conflicting opinions from earlier authors; and the entry for biennis.

      名詞

      bidēns f

      1. a sheep of an age suitable for certain sacrifices; also more generally, any sheep or any sacrificial animal
      語形変化

      Third-declension noun (i-stem, ablative singular in -e or ).

      singular plural
      nominative bidēns bidentēs
      genitive bidentis bidentium
      bidentum
      dative bidentī bidentibus
      accusative bidentem bidentēs
      bidentīs
      ablative bidente
      bidentī
      bidentibus
      vocative bidēns bidentēs

      語源 3

      Nominalization of the adjective, perhaps by ellipsis of a phrase headed by a masculine noun such as ligō m (mattock, hoe). Compare tridēns m.

      名詞

      bidēns m

      1. a two-pronged agricultural tool, such as an iron hoe or mattock
      語形変化

      Third-declension noun (i-stem, ablative singular in -e or ).

      singular plural
      nominative bidēns bidentēs
      genitive bidentis bidentium
      dative bidentī bidentibus
      accusative bidentem bidentēs
      bidentīs
      ablative bidente
      bidentī
      bidentibus
      vocative bidēns bidentēs

      Further reading

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