láo
labor
Simplified form of 勞. Depicts the hard work of sewing clothes (衣) with only firelight (炏). Later the 力 (strength, power) component was added.
Components
Evolution

Oracle script
(~1250-1000 BC)
Bronze script
Late Western Zhou (~800 BC)
Seal script
Shuowen (~100 AD)
Clerical script
Eastern Han dynasty (25-220 AD)Traditional script
ModernSimplified script
ModernDefinitions
Sources