Magneettinsa
Magneettinsa is a Finnish term meaning "its magnet" and refers to the magnet belonging to something. It is formed from the noun magneetti plus the third-person possessive suffix -nsä (often realized as -sän/ -sä depending on harmony). The resulting form magneettinsa marks possession by a third person singular subject; for example, "Laite osoitti magneettinsa" translates as "The device showed its magnet."
In linguistic terms, magneettinsa illustrates Finnish possessive morphology where possessive suffixes attach directly to nouns to
Usage and scope: The form is not a standalone lexical item like "magneetti" but a grammatical form
See also: Finnish grammar, Finnish possessive suffixes, magneetti.