礎
chǔ

foundation

Phonosemantic compound. 石 represents the meaning and 楚 represents the sound.

Components

石
石 Meaning component
shí stone
楚
楚 Sound component
chu clear

Character Evolution

Seal form
Seal Shuowen ~100 AD
Regular Modern

Historical Pronunciations

Old Chinese
Zhengzhangsŋ̊ʰraʔ

說文解字

《說文新附》：“礎，礩也。从石，楚聲。”

Sources

Character origin
漢語多功能字庫
Readings & variants
Unicode
Historical pronunciations
Zhengzhang Shangfang
Historical images
Academia Sinica
Etymology
Shuowen Jiezi (說文解字)

础 chǔ foundation Simplified

Phonosemantic compound. 石 represents the meaning and 出 represents the sound. Simplified form of 礎.

Components

石
石 Meaning component
shí stone
出
出 Sound component
chū go out

Sources

Character origin
漢語多功能字庫
Readings & variants
Unicode