铁证
tiě​zhèng

conclusive proof

铁 tiě iron Simplified

Phonosemantic compound. 钅 represents the meaning and 失 represents the sound. Simplified form of 鐵.

Components

钅
钅 Meaning component
jīn metal

钅 is a component form of 金.

失
失 Sound component
shī lose
Change in sound

Historical Pronunciations

Sources

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

证 zhèng proof Simplified

Phonosemantic compound. 讠 represents the meaning and 正 represents the sound. Simplified form of 證.

Components

讠
讠 Meaning component
yán speech

讠 is a component form of 言.

正
正 Sound component
zhèng, zheng, zhēng correct

Sources

Readings & variants
Unicode

鐵 tiě iron Traditional

Phonosemantic compound. 釒 represents the meaning and 𢧤 represents the sound.

Components

釒
釒 Meaning component
jīn metal
𢧤
𢧤 Sound component
zhì big

Character Evolution

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
Regular Modern

Historical Pronunciations

Middle ChineseOld ChineseGloss
Baxter-Sagartthetl̥ˤik iron

說文解字

《說文》：“鐵，黑金也。从金，聲。，鐵或省。銕，古文鐵从夷。”

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)

證 proof Traditional

Original meaning: to admonish

Phonosemantic compound. 言 represents the meaning and 登 represents the sound.

Components

言
言 Meaning component
yán speech
登
登 Sound component
dēng rise

Character Evolution

Seal form
Seal Shuowen ~100 AD
Clerical form
Clerical Western Han 202 BC-9 AD
Clerical form
Clerical Western Jin 266-316 AD
Regular Modern

Historical Pronunciations

Middle ChineseOld ChineseGloss
Baxter-SagarttsyingHtəŋ-s testify, prove

說文解字

《說文》：“證，告也。从言，登聲。”

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)