enhydros
Etymology
From Ancient Greek.
enhydros means A geode of chalcedony containing trapped water. Lexicurio rates it Sui generis — a strength score of 87 out of 100.
noun
- A geode of chalcedony containing trapped water.“1875: William Whitaker, B.A., F.G.S., ed, The Geological Record for 1874: An Account of Works on Geology, Minerology, and Palæontology published during the year
... the liquid obtained from the cavities of a specimen of enhydros, or "water-stone." It consists of clear water containing in solution a small proportion of certain salts, apparently the chlorides and sulphates of sodium, magnesium, and ”