ਸੰ. घषू ਧਾ- ਘਸਾਂਉਂਣਾ. ਰਗੜਨਾ। ੨. ਸੰ. घस् ਧਾ- ਖਾਣਾ (ਭਕ੍ਸ਼੍‍ਣ ਕਰਨਾ).

act of rubbing, friction; mark left by rubbing; fine powder made by rubbing something against another harder surface