It is a term of French origin. It refers to a small refined shop where fine and expensive garments and accessories are sold for women.
FRENCH BOUTIQUE shop. In Spanish it is also a shop, but it has the attributes of being small, elegant, fine and expensive. It usually sells women's clothing, but they can be purses, shoes, cosmetics, watches or jewelry.
Boutique: 40 French word; in Spanish is normally pronounced " butik " ). A boutique is a commercial establishment that sells fashion clothing and luxury goods.