caligine:calima, misting, nebulosity, gloom, mystery and mist.
dreadmist is incorrectly written and should be written as "Wooded Dreadmist." being its meaning: Dreadmist forest - (Novel by Ernesto l. Castro ) " FROM THE DEPTHS OF THE EARTH " Ed Lozada, Second Edition. Buenos Aires, 15 Oct. 1951, page 256.