Helkath – hazzurim is interpreted in the margin “the field of strong men,” but the etymology is very doubtful. Most modern expositors understand it as meaning “the field of sharp edges.”
Related Commentaries of 2 Samuel 2:16
2 Samuel 2:16
16 And they caught every one his fellow by the head, and thrust his sword in his fellow's side; so they fell down together: wherefore that place was called Helkathhazzurim,d which is in Gibeon.