震荡
zhèn​dàng

fluctuate

震 zhèn shake

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

Components

雨
雨 Meaning component
yǔ rain
辰
辰 Sound component
chén early morning

Character Evolution

Oracle form
Oracle Bone ~1250-1000 BC
Seal form
Seal Western Han 202 BC-9 AD
Seal form
Seal Shuowen ~100 AD
Seal form
Seal Shuowen ~100 AD
Clerical form
Clerical Qin 221-206 BC
Clerical form
Clerical Eastern Han 25-220 AD
Clerical form
Clerical Eastern Han 25-220 AD
Regular Modern

Historical Pronunciations

Middle ChineseOld ChineseGloss
Baxter-SagarttsyinHtər-sclap of thunder
Zhengzhangtjɯn
Unicodejìn

說文解字

劈歴，振物者。从雨辰聲。《春秋傳》曰：“震夷伯之廟。”

Sources

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

荡 dàng to toss about Simplified

Hot water 汤 wiping out plant life 艹; 汤 also provides the pronunciation

Components

艹
艹 Meaning component
cao, cǎo grass
汤
汤 SoundMeaning component
tāng, tang hot water

Sources

Readings & variants
Unicode

盪 to toss about Traditional

Hot soup 湯 in a bowl 皿; 湯 also provides the pronunciation

Components

湯
湯 Meaning component
tāng, tang hot water
皿
皿 Meaning component
mǐn, mǐng dish

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
Zhengzhangl̥ʰaːŋ
l̥ʰaːŋs
l'aːŋʔ
Unicodedhɑ̌ng

說文解字

滌器也。从皿湯聲。

Sources

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