Due to historical stylistic changes, this component is less similar to 口 than it was in ancient scripts.
Character Evolution
BronzeMid Western Zhou~900 BCBronzeMid Spring and Autumn~600 BCSealWarring States (Chu)475-221 BCSealShuowen~100 ADSealShuowen~100 ADClericalQin221-206 BCClericalWestern Han202 BC-9 ADClericalEastern Han25-220 ADRegularModern
