likimääräisiin
Likimääräisiin is the illative plural form of the Finnish adjective likimääräinen, which means approximately or rough. In Finnish, adjectives inflect for number and case, so likimääräinen has several inflected forms to agree with a noun. The illative plural form likimääräisiin is used when the modifying noun is in the illative case and refers to “into approximate …” or to categorize something into approximate groups.
Morphology and usage are typical of Finnish grammar. The corresponding forms include likimääräiset (nominative plural), likimääräisiä
Etymology and related forms: likimääräinen is formed from the noun likimäärä (“rough estimate” or “approximation”) plus
Usage context: likimääräisiin is common in statistical writing, research reports, and contexts where data are grouped