dé
virtue
Virtuous people have a straight (直) heart (心). 直 also represents the sound. Original form of 德.
Evolution

Bronze script
Mid Western Zhou (~900 BC)
Seal script
Shuowen (~100 AD)
Clerical script
Eastern Han dynasty (25-220 AD)Regular script
ModernComponent uses
Meaning component in 1 character (1 verified)