Where does “tachylyte” come from?
tachylyte (English) comes from English tachy-, from Ancient Greek ταχύς, from Proto-Indo-European dʰn̥gʰ-, from Proto-Indo-European dʰengʰ- — to cover; to overcast.
tachylyte (English): A black, vitreous basalt of volcanic origin
Definitions
- A black, vitreous basalt of volcanic origin