ignaqueous
adjEtymology From Latin ignis (“fire”) + aqueous (“of or relating to water”).
1
Rare able to live in both fire and water (as of salamanders)
- The Gaul congratulated himself on his perseverance and sagacity; and as he had never heard of ignaqueous animals, was confident that though the water fiend was so expert in his own element, he could not stand the fiery ordeal.1819, Uriah Derick D’Arcy (Pseudonym), The Black Vampyre: A Legend of St. Domingo, page 17: