biàn
distinguish
Depicts a hand (又) feeling for something in the sand (少).
Components
Evolution

Oracle script
(~1250-1000 BC)
Bronze script
Late Shang dynasty (~1100 BC)
Seal script
Shuowen (~100 AD)Regular script
ModernComponent uses
Iconic component in 1 character (1 verified)
Sources
季旭昇《說文新證》p.88-89
黃德寬《古文字譜系疏證》p.2801