6 letters · 13 points in Scrabble
adjective smeared with something that soils or stains; these words are often used in combination; ; - Henry Roth
originFrom smudge (“blemish; dense smoke; to obscure by smearing; to stifle”) + -y. (The sense "rainy" is related to dialectal use of smudge to mean drizzling rain.)
Etymology from Wiktionary, CC BY-SA 3.0