振幅
zhèn​fú

amplitude

振 zhèn raise

Phonosemantic compound. 扌 represents the meaning and 辰 represents the sound.

Components

扌
扌 Meaning component
shou, shǒu hand

扌 is a component form of 手.

辰
辰 Sound component
chén early morning

Character Evolution

Oracle form
Oracle Bone ~1250-1000 BC
Bronze form
Bronze Early Western Zhou ~1000 BC
Seal form
Seal Shuowen ~100 AD
Clerical form
Clerical Western Han 202 BC-9 AD
Clerical form
Clerical Eastern Han 25-220 AD
Clerical form
Clerical Western Jin 266-316 AD
Regular Modern

Historical Pronunciations

Middle ChineseOld ChineseGloss
Baxter-Sagarttsyintər numerous; majestic
tsyinHtər-s shake

說文解字

《說文》：“振，舉救也。从手，辰聲。一曰奮也。”

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)

幅 fú piece

A roll 畐 of cloth 巾; 畐 also provides the pronunciation

Components

巾
巾 Meaning component
jīn cloth
畐
畐 SoundMeaning component
fú, bì to fill

Character Evolution

Seal form
Seal Shuowen ~100 AD
Clerical form
Clerical Qin 221-206 BC
Clerical form
Clerical Eastern Han 25-220 AD
Regular Modern

Historical Pronunciations

Middle ChineseOld ChineseGloss
Baxter-Sagartpikp<r>əkstrap around the leg
pjuwkpəkstrap around the leg; width (of cloth); wide
Zhengzhangprɯɡ
pɯɡ
Unicodebiuk

說文解字

布帛廣也。从巾畐聲。

Sources

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