Where does “phlogiston” come from?

phlogiston (Late Latin) comes from Ancient Greek φλογιστόν, from Ancient Greek φλογιστός, from Ancient Greek φλόξ, from Ancient Greek φλέγω, from Proto-Indo-European bʰel-, from Proto-Indo-European bʰōl-.

Ancestry of “phlogiston”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	φλογιστόν	—
2	Ancient Greek	φλογιστός	burnt up, inflammable
3	Ancient Greek	φλόξ	flame, blaze
4	Ancient Greek	φλέγω	I set on fire, burn, scorch; I kindle, arouse,...
5	Proto-Indo-European	bʰel-	to sound; to speak, roar, bark; shiny, white; to...
6	Proto-Indo-European	bʰōl-	—

Every word from Proto-Indo-European bʰōl- →Every word from Proto-Indo-European bʰel- →Every word from Ancient Greek φλέγω →