content: You are right, this is not an authentic garb as they are still worn today. But I don't think it is supposed to be middle eastern or turkish. My guess is that it is inspired by medieval fashion. It could be a fillet (basically a cloth diadem) with a veil, similar to this: https://i.pinimg.com/originals/d3/5b/bd/d35bbd5d84ce1c2108f4d542c84bafb2.jpg