shū

the hole in the center of a wheel accommodating the axle (archaic)

Components

Meaning component
tree

wood

Sound component
zào, sào, qiāo chirping of birds

Character Evolution

Seal form
Seal Western Han 202 BC-9 AD
Seal form
Seal Shuowen ~100 AD
Regular Modern

Historical Pronunciations

Old Chinese
Zhengzhangsoːwʔ
srow

說文解字

車轂中空也。从木喿聲。讀若藪。

Sources

Readings & variants
Unicode
Historical pronunciations
Zhengzhang Shangfang
Historical images
Academia Sinica