kǎo
axe handle
Pictograph of an axe handle.
Evolution

Oracle script
(~1250-1000 BC)
Bronze script
Early Western Zhou (~1000 BC)
Seal script
Shuowen (~100 AD)Regular script
ModernDefinitions
kǎo
obstruction of breath (qi) as it seeks release; variant of other characters; axe handle; "breath" or "sigh" component in Chinese characters
Component uses
Meaning component in 1 character (0 verified)
Sources
季旭昇《說文新證》p.391