a primitive root; to polish; by implication, to make bald (the head), to gall (the shoulder); also, to sharpen; bright, furbish, (have his) hair (be) fallen off, peeled, pluck off (hair).
from חָרַב; drought; also a cutting instrument (from its destructive effect), as a knife, sword, or other sharp implement; axe, dagger, knife, mattock, sword, tool.