luǎn
egg
Original meaning:
scrotum
Pictograph of the scrotum of a male's penis. The meaning later shifted to "egg", "ovum", and "spawn".
Evolution

Bronze script
Late Spring and Autumn (~500 BC)
Seal script
Shuowen (~100 AD)
Clerical script
Eastern Han dynasty (25-220 AD)Regular script
ModernDefinitions
Component uses
Meaning component in 1 character (1 verified)
Sources
季旭昇《說文新證》p.901-902