What is the wizarding bloodline?

"Pure-blood wizards refer to the descendants of wizards handed down from generation to generation, and no one in the family has married Muggles. However, although the Weasleys are pure blood, they are despised by the Malfoys who call themselves noble blood because of their large number and ordinary status. "

A wizard refers to a person whose occupation is playing tricks and praying for others. In ancient times, female performers were called witches and wizards. "The Empress Ji Shang and the Later Han Dynasty": "If you say something later, you will be separated from Zhu." Tang Lixian's Note: "A wizard is witchcraft, so it is called witchcraft." Song Sima Guang's Su Shui Lu (Volume 14): "The wizard cursed:' Those who break the oath should be such servants. Ba Jin's "Home" 34: "This time it's not a ghost, it's a ghost-the wizard (Duan Gong) was invited to catch ghosts at home."