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  What it means

  Literally “once in a Russian year.” Means something that happens very rarely — almost never. The Polish equivalent of “once in a blue moon.”

  Vocabulary

  • raz — once / one time
  • ruski — Russian (colloquial)
  • rok — year

  Grammar note

  'Na + accusative' expresses frequency in Polish: 'raz na rok' (once a year). 'Ruski rok' is accusative in this construction.

  Cultural context

  The phrase refers to Russia's use of the Julian calendar while Poland used the Gregorian. Since the Julian calendar ran behind, a 'Russian year' implied a longer, indefinite wait. Another folk etymology connects it to the unpredictable length of imprisonment sentences under Russian partition rule.

  Intermediate

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