吐血
tù​xiě

cough blood

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)

血 xuè, xiě blood

Depicts a drop of blood in a container (皿).

Components

◎
◎ Iconic component
characterless component

Depicts a drop of blood.

皿
皿 Iconic component
mǐn, mǐng dish

Character Evolution

Oracle form
Oracle Bone ~1250-1000 BC
Oracle form
Oracle Bone ~1250-1000 BC
Oracle form
Oracle Bone ~1250-1000 BC
Oracle form
Oracle Bone ~1250-1000 BC
Seal form
Seal Warring States (Chu) 475-221 BC
Seal form
Seal Warring States (Chu) 475-221 BC
Seal form
Seal Warring States (Chu) 475-221 BC
Seal form
Seal Qin 221-206 BC
Seal form
Seal Shuowen ~100 AD
Clerical form
Clerical Qin 221-206 BC
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
Clerical form
Clerical Eastern Han 25-220 AD
Regular Modern

Component uses

Meaning (0 of 3 verified)

衅衄衊

Sound (0 of 3 verified)

恤洫裇

Historical Pronunciations

Middle ChineseOld ChineseGloss
Baxter-Sagartxwetm̥ˤik blood

說文解字

《說文》：“血，祭所薦牲血也。从皿，一象血形。”

Sources

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