kulttuurinsa
Kulttuurinsa is a Finnish noun phrase meaning "his/her/its/their culture." It is formed from kulttuuri (culture) together with the third-person possessive suffix -nsa / -nsä, which marks the possessor in context. The exact owner is determined by the surrounding text or conversation, so kulttuurinsa can refer to a single person’s culture or to a group’s culture.
In use, kulttuurinsa typically functions as the possessed noun in a sentence, and its owner is understood
The word illustrates Finnish possessive morphology, where the suffix attaches directly to the noun to convey