硅藻
guī​zǎo

diatom

硅 guī silicon

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

Components

石
石 Meaning component
shí stone
圭
圭 Sound component
guī jade pointed at top

Historical Pronunciations

Old Chinese
Zhengzhangqʰʷreɡ

Sources

Readings & variants
Unicode
Historical pronunciations
Zhengzhang Shangfang

藻 zǎo splendid

Phonosemantic compound. 艹 represents the meaning and 澡 represents the sound.

Components

艹
艹 Meaning component
cao, cǎo grass

艹 is a component form of 艸.

澡
澡 Sound component
zǎo wash

Character Evolution

Seal form
Seal Shuowen ~100 AD
Seal form
Seal Shuowen ~100 AD
Regular Modern

Historical Pronunciations

Middle ChineseOld ChineseGloss
Baxter-SagarttsawX[ts]ˤawʔkind of water plant
Zhengzhangʔsaːwʔ
Unicodetzɑ̌u

Sources

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