Milla is a diminutive of Camilla. Camilla most likely originates in Latin and means "priest's attendant". It is a feminine form of Camillus. In Roman mythology, Camilla of the Volsci was the daughter of King Metabus. She was able to walk across the seas without ever getting her feet wet. More recently, Camilla is the name of the Duchess of Cornwall and the wife of Charles, Prince of Wales.