Kirjaston
Kirjaston is the genitive singular form of the Finnish noun kirjasto, meaning library. It denotes possession or association, for example: kirjaston kirjoja (the library's books).
Grammar and usage: In Finnish, the genitive singular is formed by adding -n to the noun stem;
Examples: kirjaston tilat (the library's facilities); kirjaston työntekijä (a library employee); kirjaston ovet (the library doors).
Etymology: The word kirjasto itself is formed from kirja (book) plus the suffix -sto, a productive Finnish