From which dynasty did the Etiquette Dance originate?
The Han Dynasty. Obviously, the red dress worn in the dance of "State of Manners" by Xuan Gui is in the form of a "curved train" of the Han Dynasty (but that's a performance dress). And the part of the dance called "Tap Song" is also from the Han Dynasty, so it's from the Han Dynasty, to be exact. To be exact, it is from the Han Dynasty.