Where does “Rhyolith” come from?
Rhyolith (German) comes from Ancient Greek ῥέω, from Proto-Indo-European srew-, from Proto-Indo-European ser- — to flow; to guard; to bind, to tie together.
Rhyolith (German): rhyolite
Ancestry of “Rhyolith”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Ancient Greek | ῥέω | I flow, stream, run, gush; I let flow, pour; I... |
| 2 | Proto-Indo-European | srew- | to flow, stream |
| 3 | Proto-Indo-European | ser- | to flow; to guard; to bind, to tie together |