防ぼう虫ちゅう加か工こう

noun which may take the genitive case particle 'no'

mothproofing; insect-repellent treatment

Refers to a finish or processing applied to textiles, wood, or other materials to repel or resist insects, especially moths.

• このセーターは防ぼう虫ちゅう加か工こうが施ほどこされているので、虫むし食くいの心