Where does “Flora” come from?

Flora comes from Latin Flora, derived from Latin flos (flower), which traces to Proto-Indo-European bʰel- (to bloom or swell).

Ancestry of “Flora”, step by step

Step	Language	Word	Meaning
1	Latin	Flōra	—
2	Proto-Italic	*Flōzā	—
3	Proto-Italic	flōs	flower, blossom
4	Proto-Indo-European	bʰleh₃-s	flower, blossom
5	Proto-Indo-European	bʰleh₃-	bloom, flower
6	Proto-Indo-European	bʰel-	to sound; to speak, roar, bark; shiny, white; to...
7	Proto-Indo-European	bʰōl-	—

Flora — Etymology, Origin & Word History | Etymology Explorer