אֵיבָה

And I will put enmity between you and the woman, and between your seed and her seed. He will crush your head, and you will strike his heel.”

…or if in hostility he strikes him with his hand and he dies, the one who struck him must surely be put to death; he is a murderer. When the avenger of blood finds the murderer, he is to kill him.

But if anyone pushes a person suddenly, without hostility, or throws an object at him unintentionally,

This is what the Lord GOD says: ‘Because the Philistines acted in vengeance, taking vengeance with malice of soul to destroy Judah with ancient hostility,

Because you harbored an ancient hatred and delivered the Israelites over to the sword in the time of their disaster at the final stage of their punishment,