Mizzle

The Slang Dictionary Etymological Historical and Anecdotal · 1913 · p. 19

a frequentative form of MIST in both senses; as applied to weather, it is used by John Gadbury in his Ephemeris in 1695— MISTY and MIZZLING —to come down as mist; while the other sense may be expre ed as to fade away like a mist.