黴
méi

mold

A small 微 black 黑 growth; 微 also provides the pronunciation

Components

微
微 Sound component
wēi small
Change in sound
黑
黑 Meaning component
hēi black

Character Evolution

Seal form
Seal Shuowen ~100 AD
Regular Modern

Historical Pronunciations

Old Chinese
Zhengzhangmrɯl
mɯːls

說文解字

《說文》:“黴,中久雨青黑。从黑,微省聲。”

Sources

Readings & variants
Unicode
Historical pronunciations
Zhengzhang Shangfang
Historical images
Academia Sinica

霉 méi mildew Simplified

Phonosemantic compound. 雨 represents the meaning and 每 represents the sound. Simplified form of 黴.

Components

雨
雨 Meaning component
yǔ rain
每
每 Sound component
měi every

Historical Pronunciations

Old Chinese
Zhengzhangmrɯl

Sources

Readings & variants
Unicode
Historical pronunciations
Zhengzhang Shangfang