Originally a pictograph of two people escaping a flood. Based on the original meaning "escape", now written as 逃. The current meaning is a phonetic loan.
Character Evolution
SealWarring States (Chu)475-221 BCSealWarring States (Chu)475-221 BCSealShuowen~100 ADSealShuowen~100 ADClericalQin221-206 BCClericalWestern Han202 BC-9 ADClericalEastern Han25-220 ADClericalEastern Han25-220 ADClericalWestern Jin266-316 ADRegularModern