Depicts stitched threads on clothing (衣) to indicate that the clothing is sewed. Based on the original meaning "to finish sewing clothes". The meaning later shifted to "to finish" and "finally" while its other meaning "soldier" is a phonetic loan.

Evolution

Oracle script

(~1250-1000 BC)

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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