kuukausittaisissa

Kuukausittaisissa is a Finnish inflected form of the adjective kuukausittainen, meaning monthly. It is the inessive plural form (-issa) used with plural nouns in the inessive case, and it translates roughly as “in monthly …” or “monthly …” when describing items that occur or are issued each month.

Usage and meaning

The word is used in formal, statistical, or official contexts to indicate that something is on a monthly basis. It commonly accompanies plural nouns in the inessive case, for example kuukausittaisissa tilastoissa (in the monthly statistics), kuukausittaisissa tiedotteissa (in the monthly bulletins), or kuukausittaisissa raporteissa (in the monthly reports). The form emphasizes frequency or periodicity over a period of one month and is appropriate for describing data, releases, review cycles, or summaries that occur every calendar month.

Grammar notes

Kuukausittaisissa is the plural inessive form of kuukausittainen. Other related forms include singular inessive kuukausittaisessa (in the monthly) and the base form kuukausittainen (monthly). The adverbial counterpart kuukausittain expresses the same idea of monthly in a manner or frequency, as in kuukausittain julkaistavat tiedotteet (bulletins published monthly).

Summary

Kuukausittaisissa is used to specify that multiple items, events, or data are monthly and are being discussed in a context that requires plural inessive agreement. It is a standard, neutral term in Finnish for describing recurring monthly phenomena in official or formal writing.