omistamaansa
Omistamaansa is a Finnish grammatical form used to describe an object that is owned by someone in a relative construction. It is built from the verb omistaa (to own) and the past active participle omistama, combined with the third-person possessive suffix -nsä (spelled as -nsä/-nsa according to vowel harmony). The result, omistamaansa, means roughly “that [one] owns” or “owned by him/her,” and it typically modifies a following noun that is in the partitive or accusative case, depending on the governing verb. This construction lets the owner be understood from context without repeating a name or pronoun.
Usage examples show its function clearly. Hän myi omistamaansa asuntoa. (He sold the apartment that he owns.)
In practice, omistamaansa is more common in written Finnish and in formal or literary styles. It is