instruktiivin
Instruktiivin is a grammatical case found in some languages, most notably Finnish. It serves to indicate movement or a tendency towards a particular place or state, but not necessarily the direct destination of the movement. It is distinct from the allative case, which denotes movement to a specific location, and the inessive case, which denotes being inside a location. The instruktiivin often translates to English prepositions like "into," "onto," "along," or "in" depending on the context and the noun it modifies.
The typical Finnish instruktiivin ending is -in. For example, the word "taloon" (into the house) uses the
While Finnish is the primary example, similar case functions can be observed in other Finno-Ugric languages.