The story
- Ancient Greek · derived fromῥύαξ“stream”
- English todayrhyacolite
From Ancient Greek ῥύαξ (rhúax, “stream”) (compare Greek ρυάκι (ryáki)) + -lite.
Etymology from Wiktionary, CC BY-SA 4.0.
rhyacolite
Today it means: A glassy feldspar found at Mount Somma in Italy. Full definition →
Ancient Greek ῥύαξ