思辨
sī​biàn

speculate

思 sī, si think

Thought is associated with the head (囟) and heart (心). 囟 is also a phonetic component.

Components

囟
囟 SoundMeaning component
xìn fontanel

Depicts the top of the head. The modern form of the this component looks like 田 (field), but is unrelated.

Change in sound
Change in form
Due to historical stylistic changes, this component is less similar to 囟 than it was in ancient scripts.
心
心 Meaning component
xīn, xin heart

Character Evolution

Bronze form
Bronze Late Warring States ~250 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 Western Han 202 BC-9 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
Clerical form
Clerical Eastern Han 25-220 AD
Regular Modern

Component uses

Sound (0 of 6 verified)

腮鳃锶缌葸鰓

Meaning (1 of 2 verified)

勰慮

Historical Pronunciations

Middle ChineseOld ChineseGloss
Baxter-Sagartsi[s]ə think

說文解字

《說文》：“思，容也。从心，囟聲。”

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)

辨 biàn distinguish

Original meaning: to cut into two parts

刂 (knife) added between two 辛 (chisel) components or 辡 conveying the original meaning "to cut into two parts". The meaning has shifted over time and now means "distinguish". 辡 also provides the sound.

Components

辡
辡 SoundIconic component
biàn criminals accusing one another

Here used to depict an object being cut into two parts. 辡 also gives the sound.

刂
刂 Iconic component
dāo knife

Depicts a knife.


Character Evolution

Bronze form
Bronze Early Western Zhou ~1000 BC
Seal form
Seal Shuowen ~100 AD
Clerical form
Clerical Qin 221-206 BC
Regular Modern

Historical Pronunciations

Middle ChineseOld ChineseGloss
Baxter-SagartbjenX[b]renʔ distinguish

說文解字

《說文》：“辦，判也。从刀，辡聲。”

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)