zuǒ
left
Pictograph of a left hand. The 工 (work) component was added later to represent the meaning "help; assist", now written as 佐.
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
Component uses
Iconic component in 1 character (1 verified)
Sources