Where does “furnoo” come from?

furnoo (Oromo) comes from Portuguese forno, from Old Portuguese forno, from Latin furnus, from Proto-Italic fornos, from Proto-Indo-European gʷʰr̥-nós, from Indo-European *gʷʰer-.

furnoo (Oromo): oven

Definitions

oven

Ancestry of “furnoo”, step by step

Step	Language	Word	Meaning
1	Portuguese	forno	oven
2	Old Portuguese	forno	furnace
3	Latin	furnus	oven; bakery
4	Proto-Italic	fornos	—
5	Proto-Indo-European	gʷʰr̥-nós	—
6	Indo-European	*gʷʰer-	—

Every word from Indo-European *gʷʰer- →Every word from Proto-Indo-European gʷʰr̥-nós →Every word from Proto-Italic fornos →