päivienviikkojen
Päivienviikkojen is a Finnish form that appears in discussions of inflection rather than in everyday language. It represents the genitive plural of a hypothetical compound word päivienviikko, which would be interpreted as “the days of the week.” In Finnish, compounds can be flexed as a unit, and when such a compound takes a genitive ending, the ending attaches to the whole word. Therefore, päivienviikkojen would be the genitive plural form of päiviênviikko in a theoretical sense.
In practice, speakers normally refer to the days of the week with the standard term viikonpäivät, and
Overall, päivienviikkojen is a rare, theoretical form rather than a practical lexical item. It highlights aspects