v. to rain slightlyVariants: miselle, mysylle, pluuitare
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 expressed as to fade away like a mist.

to run away, or decamp; to disappear as in a mist. From mizzle , a drizzling rain; a Scotch mist.

“And then one mizzling  Michaelmas night,The Count he mizzled  too.”—Hood.