砥
dǐ

a whetstone

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

Components

石
石 Meaning component
shí stone
氐
氐 Sound component
dī, dǐ, zhī bottom

Character Evolution

Seal form
Seal Shuowen ~100 AD
Seal form
Seal Shuowen ~100 AD
Clerical form
Clerical Western Han 202 BC-9 AD
Clerical form
Clerical Eastern Han 25-220 AD
Clerical form
Clerical Eastern Han 25-220 AD
Regular Modern

Historical Pronunciations

Middle ChineseOld ChineseGloss
Baxter-SagarttsyijXtijʔwhetstone
Zhengzhangtjelʔ
tjil
tjilʔ
tjils

Sources

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