An Etymological Dictionary of Astronomy and Astrophysics

An opening in the Earth’s → crust from which → lava, → ash, and hot → gases flow or are → ejected during an → eruption.

Etymology (EN): From It. vulcano, from L. Vulcanus, → Vulcan.

Etymology (PE): Âtašfešân, literally “fire disperser, dispersing fire,” from âtaš,
→ fire, + fešân contraction of afšân, from afšândan “to spread, scatter,” Mid.Pers. afšân “to spread, to scatter;” ultimately from Proto-Ir. *apašan-, from root *šan- “to shake” (Cheung 2007).