pò
break
Phonosemantic compound. 石 represents the meaning and 皮 represents the sound.
Evolution

Seal script
Shuowen (~100 AD)
Clerical script
Eastern Han dynasty (25-220 AD)Regular script
ModernDefinitions
pò
break, ruin, destroy; rout; broken; damaged; worn out; lousy; rotten; to break, split or cleave; to get rid of; to destroy; to break with; to defeat; to capture (a city etc); to expose the truth of
Sources