inessiivivorm
Inessiivivorm, or inessive form, is the Finnish locative case used to indicate location inside something. It answers the question missä? (where is X?) and describes a static position rather than a movement.
Formation and variants: The inessive suffixes are -ssa/-ssä for singular nouns and -issa/-issä for plural nouns.
Usage and scope: The inessive describes being inside a location, such as a place, a room, or
Relation to other cases: The inessive is part of a set of locative cases in Finnish. It