Where does “φλόξ” come from?

φλόξ (Ancient Greek) comes from Ancient Greek φλέγω, from Proto-Indo-European bʰel-, from Proto-Indo-European bʰōl-.

φλόξ (Ancient Greek): flame, blaze

Definitions

Step	Language	Word	Meaning
1	Ancient Greek	φλέγω	I set on fire, burn, scorch; I kindle, arouse,...
2	Proto-Indo-European	bʰel-	to sound; to speak, roar, bark; shiny, white; to...
3	Proto-Indo-European	bʰōl-	—

φλόξ — Etymology, Origin & Word History | Etymology Explorer