'Heel' in the Bible

"I'll place hostility between you and the woman, between your offspring and her offspring. He'll strike you on the head, and you'll strike him on the heel."

After that, his brother came out with his hand clutching Esau's heel, so they named him Jacob. Isaac was 60 years old when they were born.

The trap seizes him by the heel; a snare tightens its hold on him.