9 letters · 11 points in Scrabble
noun the quality of smelling or tasting old or stale or mouldy
originEtymology tree English musty Proto-Germanic *-inōną Proto-Indo-European *-dyé- Proto-Germanic *-atjaną Proto-Indo-European *-tus Proto-Germanic *-þuz Proto-Germanic *-assuz Proto-Germanic *-inassuz Proto-West Germanic *-nassī Old English -nes Middle English -nesse English -ness English mustiness From musty + -ness.
Etymology from Wiktionary, CC BY-SA 3.0