悌友
tì​yǒu

brotherly love

悌 tì brotherly

Fraternal 弟 respect 忄; 弟 also provides the pronunciation

Components

忄
忄 Meaning component
xin, xīn heart
弟
弟 SoundMeaning component
dì, di younger brother

Character Evolution

Seal form
Seal Shuowen ~100 AD
Clerical form
Clerical Three Kingdoms (Cao Wei) 222-280 AD
Regular Modern

Historical Pronunciations

Middle ChineseOld Chinese
Zhengzhangdiːlʔ
diːls
Unicodedhèi

說文解字

善兄弟也。从心弟聲。經典通用弟。

Sources

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

友 you, yǒu friend

Pictograph of two hands together to convey the meaning "friend". 又 also represents the sound.

Components

又
又 SoundIconic component
yòu hand

Depicts a hand.

又
又 SoundIconic component
yòu hand

Depicts a hand.


Character Evolution

Oracle form
Oracle Bone ~1250-1000 BC
Bronze form
Bronze Early Western Zhou ~1000 BC
Bronze form
Bronze Mid Western Zhou ~900 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 Warring States (Chu) 475-221 BC
Seal form
Seal Warring States (Chu) 475-221 BC
Seal form
Seal Shuowen ~100 AD
Seal form
Seal Shuowen ~100 AD
Seal form
Seal Shuowen ~100 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 Jin 266-420 AD
Regular Modern

Historical Pronunciations

Middle ChineseOld ChineseGloss
Baxter-SagarthjuwX[ɢ]ʷəʔ friend

說文解字

《說文》：“友，同志為友。从二又，相交友也。，古文友。。亦古文友。”

Sources

Character origin
季旭昇《說文新證》p.211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)