"accoutrements" is a French word that means "getup" in its origin country, but means "paraphernalia" in Urban English. (see the "brooklyn516" definition for the complete definition).
"attirail" is the French equivalent of the Urban English word "accoutrements"

accessory required for a particular activity. The definition varies depending on context. For example, at a party it may refer to one's "works" (razors, lighters, straws) which are necessary to prepare drugs for use. During sex, it could refer to condoms, lube, toys, etc.