凸透镜
tū​tòu​jìng

convex lens

凸 tū protrude

Pictograph of a bump sticking out. Opposite of 凹.

Historical Pronunciations

Old Chinese
Zhengzhangdɯːd
duːd

Sources

Character origin
漢語多功能字庫
Readings & variants
Unicode
Historical pronunciations
Zhengzhang Shangfang

透 tòu penetrate

Phonosemantic compound. 辶 represents the meaning and 秀 represents the sound.

Components

辶
辶 Meaning component
chuò walk

辶 is a component form of 辵.

秀
秀 Sound component
xiù elegant, excellent

Character Evolution

Seal form
Seal Shuowen ~100 AD
Regular Modern

Historical Pronunciations

Middle ChineseOld Chinese
Zhengzhangl̥ʰoːs
hljuɡ
Unicodetòu

說文解字

《說文新附》：“透，跳也；過也。从辵，秀聲。”

Sources

Character origin
漢語多功能字庫
Readings & variants
Unicode
Historical pronunciations
Zhengzhang Shangfang
Historical images
Academia Sinica
Etymology
Shuowen Jiezi (說文解字)

镜 jìng mirror Simplified

Simplified form of 鏡. Phonosemantic compound. 钅 represents the meaning and 竟 represents the sound.

Components

钅
钅 Meaning component
jīn metal

钅 is a component form of 金.

竟
竟 Sound component
jìng actually

Sources

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

鏡 jìng mirror Traditional

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

Components

釒
釒 Meaning component
jīn metal
竟
竟 Sound component
jìng actually

Character Evolution

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 Eastern Han 25-220 AD
Regular Modern

Historical Pronunciations

Middle ChineseOld ChineseGloss
Baxter-SagartkjaengHC.qraŋʔ-s mirror

說文解字

《說文》：“鏡，景也。从金，竟聲。”

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)