chōng
fill
Pictograph of an adult person with a hairpin in their hair, indicating being fully grown up into adulthood. In ancient China, adults usually wore a hairpin. Similar in origin to 每.
Evolution

Seal script
Shuowen (~100 AD)
Clerical script
Eastern Han dynasty (25-220 AD)Regular script
ModernDefinitions
chōng
fill, be full, supply; to fill; to satisfy; to fulfill; to act in place of; substitute; sufficient; full
Sources
許進雄《簡明中國文字學》p.339-340