Variant form of 丐. Depicts the blade of a knife. Similar in origin to 亡 and 方. Based on the original meaning "cut". The current meaning is a phonetic loan.
Character Evolution
Oracle Bone~1250-1000 BCBronzeMid Western Zhou~900 BCBronzeLate Western Zhou~800 BCSealShuowen~100 ADClericalWestern Han202 BC-9 ADClericalEastern Han25-220 ADRegularModern