essiivissä
Essiivi, commonly referred to as the essive case, is one of the Finnish noun cases used to express a state of being or a role. In English, it is often rendered with the word "as" or "in the capacity of." The essive typically describes how someone or something is functioning or existing at a given time, especially in relation to the verb olla (to be).
The essive is formed by adding the suffix -na or -nä to the noun stem, with vowel
The essive commonly occurs with olla to indicate a current state or role, such as "Hän on
Hän on opettajana. They act as a teacher. Olen opiskelijana. I am a student. Nuorena olin paljon