Dong Chinese dictionary

huǐ

repent

Phonosemantic compound. 忄 represents the meaning and 每 represents the sound.

Components

忄 Meaning component

xin, xīn

heart

忄 is a component form of 心.

每 Sound component

měi

every

悔 and 每 don't sound similar in modern Mandarin due to historical phonetic changes. They were more similar in older Chinese.悔 /*m̥ˤəʔ/
每 /*mˤəʔ/

Evolution

Bronze script

Warring States (475-221 BC)

Seal script

Shuowen (~100 AD)

Clerical script

Eastern Han dynasty (25-220 AD)

Regular script

Modern

Definitions

huǐ

repent, show remorse, regret; to regret

Most common words with 悔

Sources