yán
delay
Original meaning:
walk
Phonosemantic compound. 廴 represents the meaning and 正 represents the sound.
Evolution

Bronze script
Late Spring and Autumn (~500 BC)
Seal script
Shuowen (~100 AD)
Clerical script
Eastern Han dynasty (25-220 AD)Regular script
ModernComponent uses
Meaning component in 1 character (0 verified)
Remnant component in 1 character (1 verified)
Sources
季旭昇《說文新證》p.135