Longman Dictionary of Contemporary English homepage

Date: 1500-1600
Origin: Perhaps from moisty 'wet' (15-19 centuries), from moist; influenced by MUST22

musty

adjective
     
Related topics: Odours
must‧y
CO a musty room, house, or object has an unpleasant smell, because it is old and has not had any fresh air for a long time:
the musty smell of old books

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