Phonosemantic compound. 女 represents the meaning and 台 represents the sound. Based on the original meaning "elder sister", now written as 姒. The meaning later shifted to "first" and "start".

Evolution

Bronze script

Early Western Zhou (~1000 BC)

Seal script

Shuowen (~100 AD)

Clerical script

Eastern Han dynasty (25-220 AD)

Regular script

Modern

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