'Heel' in the Bible

“And I will put enmity (open hostility)Between you and the woman,And between your seed (offspring) and her Seed;He shall [fatally] bruise your head,And you shall [only] bruise His heel.”

Afterward his brother came out, and his hand grasped Esau’s heel, so he was named Jacob (one who grabs by the heel, supplanter). Isaac was sixty years old when Rebekah gave birth to them.

“A snare catches him by the heel,And a trap snaps shut on him.

Even my own close friend in whom I trusted,Who ate my bread,Has lifted up his heel against me [betraying me].

“Let everyone beware of his neighborAnd do not trust any brother.For every brother is a supplanter [like Jacob, a deceiver, ready to grab his brother’s heel],And every neighbor goes around as a slanderer.

In their mother’s womb he took his brother by the heel,And in his maturity he contended with God.

I am not speaking of all of you. I know whom I have chosen; but [this has happened] in order that the Scripture may be fulfilled: ‘He who eats My bread has raised up his heel against Me [as My enemy].’