The storyProto-Indo-European*péh₂wr̥Proto-Hellenic*pāwərAncient Greekπῦρ (pûr)LatinpyrEnglishpyro-EnglishsulphuricEnglish todaypyrosulphuricFrom pyro- + sulphuric.Etymology from Wiktionary, CC BY-SA 4.0.