18 But Edom answered: “You may not pass through here; if you try, we will march out and attack you with the sword.”

Read Numbers 20:18 Using Other Translations

And Edom said unto him, Thou shalt not pass by me, lest I come out against thee with the sword.
But Edom said to him, "You shall not pass through, lest I come out with the sword against you."
But the king of Edom said, “Stay out of my land, or I will meet you with an army!”