en_tn/deu/07/23.md

victory over them

"victory over the armies from the other nations"

until they are destroyed

AT: "until you destroy them" (See: rc://en/ta/man/translate/figs-activepassive)

you will make their name perish from under heaven

This means the Israelites will completely destroy all the people from those nations, and in the future no one will remember them.

stand before you

"stand against you"