cóng
from
Originally a pictograph of one person following another (从). Later the 彳 and 止 components were added to indicate movement.
Components
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
ModernDefinitions
Sources