Hai Collection, Upper Volume Radical: Carriage (mǎ) Kangxi strokes: 15 Page 1436, Entry 03 Guangyun (Guangyun): Pronounced nu Jiyun (Jiyun), Yunhui (Yunhui): Pronounced nu Yupian (Yupian): The most inferior type of horse. Zhengzitong (Zhengzitong): A horse that is slow or sluggish. Horses assigned to labor within the palace are called nu. Both nu and dai refer to inferior mounts. Pi Rixiu says: Zaofu was skilled at driving, yet he could not drive inferior horses. Yang Huo was the inferior horse of Confucius.