Russian

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Pronunciation

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Etymology 1

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Noun

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тре́тью (trétʹjuf inan

  1. instrumental singular of треть (tretʹ, one third part)
  2. accusative singular of тре́тья (trétʹja, third (⅓))

Etymology 2

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Adjective

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тре́тью (trétʹju)

  1. feminine accusative singular of третий (tretij, third)