Meaning

noun very light rain; stronger than mist but less than a shower

verb rain lightly

originFrom Late Middle English misellen (“to drizzle”), cognate with Low German miseln, musseln (“to mizzle”), Dutch miezelen (“to drizzle, rain gently”). Of obscure origin, possibly a frequentative related to the base of mist; or, related to Middle Low German mes (“urine”), Middle Dutch mes, mis (“urine”), both from Old Saxon mehs (“urine”), from Proto-Germanic *mihstuz, *mihstaz, *mihsk- (“urine”),…

Etymology from Wiktionary, CC BY-SA 3.0