头脑清楚 Origin — Chinese Character Wiki

tóu, tou head Simplified

Phonosemantic compound. 頁 represents the meaning and 豆 represents the sound. The simplified character 头 was adapted from the cursive form of the traditional character 頭.

Components

豆 Sound Simplified component

dòu bean

頁 Iconic Simplified component

yè (head), page

Depicts a head on top of a person.

Component uses

Simplified (2)

实买

Sources

Readings & variants: Unicode

nǎo brain Simplified

Simplified form of 腦. Phonosemantic compound. ⺼ represents the meaning and 𡿺 represents the sound.

Components

⺼ Meaning component

ròu meat, flesh

⺼ is a component form of 肉.

囟 Simplified component

xìn fontanel

Shorthand for the phonetic 𡿺 component in the traditional character 腦.

Sources

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

qīng clear

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

Components

氵 Meaning component

shui, shuǐ water

氵 is a component form of 水.

青 Sound component

qīng green or blue

Character Evolution

Bronze form — Bronze Early Spring and Autumn ~700 BC

Seal form — Seal Warring States (Chu) 475-221 BC

Regular Modern

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Historical Pronunciations

	Middle Chinese	Old Chinese	Gloss
Baxter-Sagart	tshjeng	tsʰeŋ	clear (adj.)

說文解字

《說文》：“清，朖也，澂水之皃。从水，青聲。”

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)

chu clear

Original meaning: bush

Phonosemantic compound. 林 represents the meaning and 疋 represents the sound. Based on the original meaning "bush". The meaning later shifted to "distinct" and "clear".