besnowed

From Middle English besnewed, bisnewed, from Old English besnīwod (“covered with snow”), equivalent to be- +‎ snow +‎ -ed. The form changed from -snew- to -snow- in conformity to snow.

besnowed (comparative more besnowed, superlative most besnowed)

1. Covered or laden with snow
   • 1849, Edward Bulwer Lytton Baron Lytton, The Caxtons: A Family Picture - Volume 1:

     Now, if in a stage coach in the depth of winter, when three passengers are warm and snug, a fourth, all besnowed and frozen, descends from the outside and takes place amongst them, straightway all the three passengers shift their places, […]

besnowed

1. simple past tense and past participle of besnow