You Collection, Middle Volume
Radical: Foot (zú)
Character: zhu
Kangxi stroke count: 13
Page 1224, Entry 23
Broad Rhymes (Guangyun): Pronounced zhu
Collected Rhymes (Jiyun), Rhyme Meetings (Yunhui): Pronounced zhu
Jade Chapters (Yupian): The appearance of walking.
Zuo Commentary (Zuozhuan), Twenty-fifth Year of Duke Zhao: The myna bird walks with a hopping gait.
Commentary: The appearance of hopping and walking.
Also, Collected Rhymes (Jiyun): Pronounced zhou. The meaning is the same.
Also, pronounced chu. Identical to the character chu.
Broad Elegance (Boya): Tie, dizhu refers to walking in a hopping manner.
Cheng Gongsu, Rhapsody on Whistling (Xiaofu): A fluttering and hopping gait.
Commentary: Dizhu and chuzhu are ancient interchangeable characters.