Where does “Фурнаджиев” come from?

Фурнаджиев (Bulgarian) comes from Bulgarian фурна, from Latin furnus, from Proto-Italic fornos, from Proto-Indo-European gʷʰr̥-nós, from Indo-European *gʷʰer-.

Ancestry of “Фурнаджиев”, step by step

Step	Language	Word	Meaning
1	Bulgarian	фурна	furnace, oven
2	Latin	furnus	oven; bakery
3	Proto-Italic	fornos	—
4	Proto-Indo-European	gʷʰr̥-nós	—
5	Indo-European	*gʷʰer-	—

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