Where does “fiammata” come from?

fiammata (Italian) comes from Italian fiamma, from Latin flamma, from Latin flāgrāre, from Latin frāgrō, from Proto-Italic frāgrāō, from Proto-Indo-European bʰreh₂gro-, from Proto-Indo-European bʰreh₂g- — to smell.

fiammata (Italian): flare-up, blaze, burst of flames, flare

Definitions

flare-up, blaze, burst of flames, flare

Ancestry of “fiammata”, step by step

Step	Language	Word	Meaning
1	Italian	fiamma	flame; pennant, pennon; flash
2	Latin	flamma	flame, fire
3	Latin	flāgrāre	—
4	Latin	frāgrō	to emit a smell of, to smell of, to be redolent of, to reek of
5	Proto-Italic	frāgrāō	—
6	Proto-Indo-European	bʰreh₂gro-	—
7	Proto-Indo-European	bʰreh₂g-	to smell

Every word from Proto-Indo-European bʰreh₂g- →Every word from Proto-Indo-European bʰreh₂gro- →Every word from Proto-Italic frāgrāō →