哮
xiào

cough

Phonosemantic compound. 口 represents the meaning and 孝 represents the sound.

Components

口
口 Meaning component
kǒu, kou mouth
孝
孝 Sound component
xiào filial piety

Character Evolution

Seal form
Seal Shuowen ~100 AD
Clerical form
Clerical Eastern Han 25-220 AD
Regular Modern

Historical Pronunciations

Old Chinese
Zhengzhangqʰruː
qʰruːs

說文解字

豕驚聲也。从口孝聲。

Sources

Readings & variants
Unicode
Historical pronunciations
Zhengzhang Shangfang
Historical images
Academia Sinica
Etymology
Shuowen Jiezi (說文解字)