yún
equal
Phonosemantic compound. 云 represents the sound and 吕 represents the meaning.
Evolution

Bronze script
Early Western Zhou (~1000 BC)
Seal script
Shuowen (~100 AD)Regular script
ModernDefinitions
Component uses
Meaning component in 1 character (1 verified)
Remnant component in 1 character (1 verified)
Sources
季旭昇《說文新證》p.714-715