公开信
gōng​kāi​xìn HSK7

open letter

公 gōng public

Original meaning: earthen jar

Pictograph of a earthen jar for holding liquid, now written as 瓮. The current meaning "public" is a phonetic loan.

Components

八
八 Iconic component
bā eight

Depicts handles of a jar.

口
口 Iconic component
kǒu, kou mouth

Depicts the opening of a jar.

Change in form
Due to historical stylistic changes, this component is less similar to 口 than it was in ancient scripts.

Character Evolution

Oracle form
Oracle Bone ~1250-1000 BC
Bronze form
Bronze Early Western Zhou ~1000 BC
Bronze form
Bronze Late Western Zhou ~800 BC
Bronze form
Bronze Late Western Zhou ~800 BC
Bronze form
Bronze Early Spring and Autumn ~700 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
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 Eastern Han 25-220 AD
Clerical form
Clerical Eastern Han 25-220 AD
Regular Modern

Component uses

Sound (5 of 14 verified)

容松讼翁颂瓮蚣衮忪袞頌訟鈆彸

Historical Pronunciations

Middle ChineseOld ChineseGloss
Baxter-SagartkuwngC.qˤoŋ impartial, just; public
kuwngC.qˤoŋ father; prince

說文解字

《說文》：“公，平分也。从八、从厶。八，猶背也。韓非曰：‘背厶為公’。”

Sources

Character origin
季旭昇《說文新證》p.86-87
Readings & variants
Unicode
Historical pronunciations
Baxter-Sagart
Historical images
Academia Sinica
Etymology
Shuowen Jiezi (說文解字)

开 kāi open Simplified

Simplified form of 開. Pictograph of two hands (廾) opening the bolt (一) on a door (門). The traditional component 門 was removed for simplification.

Components

開
門 Deleted component
mén, men door

The traditional component 門 was removed for simplification.

◎
◎ Iconic component
characterless component

Depicts a bolt on a door.

廾
廾 Iconic component
gǒng two hands

Component uses

Sound (0 of 5 verified)

邢趼锎岍汧

Meaning (0 of 2 verified)

荆妍

Sources

Character origin
季旭昇《說文新證》p.836
Readings & variants
Unicode

信 xìn trust

Conveys trusting (信) what a person (人) says (言). 人 is also a sound component.

Components

亻
亻 SoundMeaning component
rén person

亻 is a component form of 人.

Change in sound
言
言 Meaning component
yán speech

Character Evolution

Bronze form
Bronze Late Western Zhou ~800 BC
Bronze form
Bronze Mid Warring States ~300 BC
Bronze form
Bronze Late Warring States ~250 BC
Bronze form
Bronze Late Warring States ~250 BC
Bronze form
Bronze Late Warring States ~250 BC
Bronze form
Bronze Late Warring States ~250 BC
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 Western Han 202 BC-9 AD
Seal form
Seal Shuowen ~100 AD
Seal form
Seal Shuowen ~100 AD
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
Regular Modern

Historical Pronunciations

Middle ChineseOld ChineseGloss
Baxter-SagartsinHs-ni[ŋ]-s truthful

說文解字

《說文》：“信，誠也。从人，从言，會意。，古文从言省。訃，古文信。”

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)

開 kāi open Traditional

Pictograph of two hands (廾) opening the bolt (一) on a door (門).

Components

門
門 Iconic component
mén, men door
◎
◎ Iconic component
characterless component

Depicts a bolt on a door.

廾
廾 Iconic component
gǒng two hands

Character Evolution

Seal form
Seal Qin 221-206 BC
Seal form
Seal Shuowen ~100 AD
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
Regular Modern

Historical Pronunciations

Middle ChineseOld ChineseGloss
Baxter-SagartkhojNə-[k]ʰˤəj to open (v.i.)
khoj[k]ʰˤəj to open (v.t.)

說文解字

《說文》：“開，張也。从門，从幵。，古文開。”

Sources

Character origin
季旭昇《說文新證》p.836
Readings & variants
Unicode
Historical pronunciations
Baxter-Sagart
Historical images
Academia Sinica
Etymology
Shuowen Jiezi (說文解字)