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rubidus

出典:『Wiktionary』 (2025/12/01 17:10 UTC )

語源

From Latin rubidus.


語源 1

From Proto-Indo-European *h₁rewdʰ- (red) +‎ -idus. The different ablaut grade from rubeō suggests that the adjective is not directly derived from the stative verb. Probably most closely related to bus and rōbīgō.

発音

形容詞

rūbidus (feminine bida, neuter rūbidum); first/second-declension adjective

  1. dark red
  2. (of bread, precise meaning uncertain) red-brown (or) twice-baked (or) partially baked
語形変化

First/second-declension adjective.

singular plural
masculine feminine neuter masculine feminine neuter
nominative rūbidus bida rūbidum bidī rūbidae bida
genitive bidī rūbidae bidī bidōrum bidārum bidōrum
dative bidō rūbidae bidō bidīs
accusative rūbidum rūbidam rūbidum bidōs bidās bida
ablative bidō bidā bidō bidīs
vocative bide bida rūbidum bidī rūbidae bida

語源 2

From rubeō and -idus. Appears to have a different meaning from rūbidus. Attested since the 1st century AD alongside the proliferation of derived color terms with -idus.

発音

形容詞

rubidus (feminine rubida, neuter rubidum); first/second-declension adjective

  1. red in color, appearing red
語形変化

First/second-declension adjective.

singular plural
masculine feminine neuter masculine feminine neuter
nominative rubidus rubida rubidum rubidī rubidae rubida
genitive rubidī rubidae rubidī rubidōrum rubidārum rubidōrum
dative rubidō rubidae rubidō rubidīs
accusative rubidum rubidam rubidum rubidōs rubidās rubida
ablative rubidō rubidā rubidō rubidīs
vocative rubide rubida rubidum rubidī rubidae rubida
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