buttocks

A low  bone  also provides the pronunciation

Components

Meaning component
gǔ, gú bone
SoundMeaning component
bēi humble, inferior

Character Evolution

Seal form
Seal Warring States (Chu) 475-221 BC
Seal form
Seal Shuowen ~100 AD
Seal form
Seal Shuowen ~100 AD
Regular Modern

Historical Pronunciations

Middle ChineseOld ChineseGloss
Baxter-SagartbejXm-pˤeʔfemur
pjieXpeʔfemur, haunch
Zhengzhangbeːʔ
peʔ
piʔ

說文解字

股也。从骨卑聲。

Sources

Readings & variants
Unicode
Historical pronunciations
Baxter-SagartZhengzhang Shangfang
Historical images
Academia Sinica