Phonosemantic compound. 口 represents the meaning and 令 represents the sound and meaning. Based on the original meaning "command". The meaning later shifted to "fate" and "life".
Oracle Bone~1250-1000 BCBronzeMid Western Zhou~900 BCBronzeLate Western Zhou~800 BCBronzeLate Western Zhou~800 BCBronzeLate Spring and Autumn~500 BCBronzeMid Warring States~300 BCBronzeMid Warring States~300 BCSealWarring States (Chu)475-221 BCSealWarring States (Chu)475-221 BCSealWarring States (Chu)475-221 BCSealShuowen~100 ADClericalQin221-206 BCClericalWestern Han202 BC-9 ADClericalEastern Han25-220 ADRegularModern