'Heel' in the Bible

And I will put hostility between you and between the woman, and between your offspring and between her offspring; he will strike you [on the] head, and you will strike him [on the] heel."

And afterward his brother came out, and his hand grasped the heel of Esau, so his name was called Jacob. And Isaac {was sixty years old} at their birth.

A trap seizes [him] by [the] heel; a snare takes hold of him.

Even {my close friend}, whom I trusted, [who] ate my bread, has lifted [his] heel against me.

"I am not speaking about all of you. I know whom I have chosen, but in order that the scripture would be fulfilled, 'The one who eats my bread has lifted up his heel against me.'