tarkoiihinsa

tarkoiihinsa is a Finnish word that translates to "into their own" or "to themselves" in English. It is a possessive suffix and often indicates a reflexive action or ownership. The word is formed by combining the root "tarko" which means "own" or "self," with the plural possessive suffix "-iinsa" which signifies "their."

The usage of tarkoiihinsa is found in various grammatical contexts. For instance, it can be used to express that something belongs to a group of people, such as "heidän talonsa on tarkoiihinsa" meaning "their house is their own." It can also denote an action done by someone for themselves, as in "he puhuvat tarkoiihinsa" which translates to "they are talking to themselves." This grammatical feature highlights the importance of possession and self-reference within the Finnish language.