Työhuoneen
Työhuoneen is the genitive form of Työhuone, meaning "of the workroom" or "the workroom's." It is used in Finnish to indicate possession or association with a room that is used for work. Työhuoneen can modify a following noun or appear in a phrase that describes a feature of the room, for example: Työhuoneen ovi (the door of the study), Työhuoneen valaistus (the study's lighting), or Työhuoneen järjestys (the organization of the workroom). The plural genitive is työhuoneiden, as in Työhuoneiden kalusteet (the furniture of the study rooms).
The word Työhuone itself is a compound of työ (work) and huone (room). The genitive ending -en
In contemporary Finnish, many households maintain a dedicated home office, commonly referred to as a työhuone