Where does “pystyuuni” come from?

pystyuuni (Finnish) comes from Finnish uuni, from Old Swedish ughn, from Old Norse ofn, from Proto-Germanic uhnaz, from Proto-Indo-European aukw- — cooking pot.

pystyuuni (Finnish): vertical stove for heating

Definitions

vertical stove for heating

Ancestry of “pystyuuni”, step by step

Step	Language	Word	Meaning
1	Finnish	uuni	oven; stove; furnace
2	Old Swedish	ughn	oven
3	Old Norse	ofn	—
4	Proto-Germanic	uhnaz	oven; furnace
5	Proto-Indo-European	aukw-	cooking pot

Every word from Proto-Indo-European aukw- →Every word from Proto-Germanic uhnaz →Every word from Old Norse ofn →