jiān
difficult
Simplified form of 艱. Originally pictograph of person (卩 or 女) guarding a drum (壴) to report difficulties. Later reanalyzed as a compound of 𦰩 and 艮, which both represent the sound.
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
Modern