Where does “stofa” come from?

stofa (Old Norse) comes from German stōve, from Old Saxon *stova, from Proto-West Germanic *stobu.

stofa (Old Norse): room, living room

Definitions

Step	Language	Word	Meaning
1	German	stōve	—
2	Old Saxon	*stova	—
3	Proto-West Germanic	*stobu	—

stofa — Etymology, Origin & Word History | Etymology Explorer