House coats are a type of clothing that is typically made of heavy fabric and designed to keep the wearer warm. They are usually long and have a belt or tie at the waist. The term 'house coat' is derived from the French word 'enamels, ' which means 'to cover with enamel.' Enamel is a type of paint or coating that is used to protect surfaces from wear and tear. House coats are often worn around the home, but can also be worn outside in colder weather.