Zi Wei Dou Shu - Terminology

Terminology

• Zi Wei (紫薇) - purple Rosa Multiflora(薔薇), also known as Baby Rose, Rambler Rose。Purple have always been seen as noble colors, it was once a European symbol of royalty, traditionally it is worn by emperors, and high-ranking officials; in the astrological world, this majestic color is related to spiritual aspiration. 微 is used for 薇 in ancient/simplifed Chinese writing. Noble rose referred to the North Star, the most prominent star in the sky.
• Dou (斗) - 北斗星 Big Dipper constellation, North Star, Pole star. A prominent star that is approximately aligned with the Earth's axis of rotation. It is used as the coordinate to chart the sky.
• Shu (数) - calculation.

Zi Wei Dou Shu thus means the study of a person's life based on the movement and location of the Zi Wei Star and 100+ other stars at the specific time the person was born.