the world > matter > condition of matter > bad condition of matter > cause bad condition in [verb (transitive)] > make mouldy or musty (6)
transitive. To make mouldy. Obsolete.
transitive. To cause to become mouldy. Also figurative.
transitive. To cause to become mouldy. Also figurative. Obsolete.
transitive. To make mouldy or mildewed. Obsolete. rare.