witchfire en · NOUN
Etymology
From witch + fire.
Meanings
-
(uncountable) Synonym of St. Elmo's fire.
A thick layer of mist, gray and ghostly in the predawn glow, emanated from the water, as if witchfire burned upon the surface of the liquid.
2008, Christopher Paolini, “Assault on Helgrind”, in Brisingr, page 38: