pīn

illicit sexual relations

An affair  with a woman  also provides the pronunciation

Components

Meaning component
nǚ, nü woman
SoundMeaning component
bìng combine

Character Evolution

Seal form
Seal Western Han 202 BC-9 AD
Seal form
Seal Western Han 202 BC-9 AD
Seal form
Seal Shuowen ~100 AD
Regular Modern

Historical Pronunciations

Old Chinese
Zhengzhangpʰreːŋ
pʰeːŋ

說文解字

除也。漢律:“齊人予妻婢姦曰姘。”从女幷聲。

Sources

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