吐沫
tù​mo

saliva

吐 tǔ, tù vomit

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

Components

口
口 Meaning component
kǒu, kou mouth
土
土 Sound component
tǔ earth

Character Evolution

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

Historical Pronunciations

Middle ChineseOld ChineseGloss
Baxter-SagartthuXtʰˤaʔeject from mouth, spit
thuHtʰˤaʔ-svomit
Zhengzhangl̥ʰaːʔ
l̥ʰaːs
Unicodetǒ

說文解字

寫也。从口土聲。

Sources

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

沫 mò, mo froth

Phonosemantic compound. 氵 represents the meaning and 末 represents the sound.

Components

氵
氵 Meaning component
shui, shuǐ water

氵 is a component form of 水.

末
末 Sound component
mò end

Character Evolution

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

Historical Pronunciations

Middle ChineseOld ChineseGloss
Baxter-Sagartmatmˤatfoam, spittle
Zhengzhangmaːd

說文解字

水。出蜀西徼外，東南入江。从水末聲。

Sources

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