épületként
The term "épületként" is the Hungarian word for "as a building." It functions as an adverbial case, indicating that something is being considered or treated in the capacity of a building. This can refer to a structure that is physically a building, or it can be used metaphorically to describe something that functions like a building in terms of its structure, purpose, or permanence.
For instance, "A régi gyárépületként funkcionál tovább" translates to "The old factory continues to function as