two-hundred (rarely used)

Two hundreds 

Components

Meaning component
bǎi one hundred
Meaning component
bǎi one hundred

Character Evolution

Seal form
Seal Shuowen ~100 AD
Regular Modern

Historical Pronunciations

Old Chinese
Zhengzhangprɯɡ

說文解字

《說文》:“皕,二百也。讀若祕。”

Sources

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