'Used' in the Bible

Joshua then turned back and captured Hazor, executing its king, because Hazor used to be the head of all of those kingdoms.

all of the cities of the plain, the entire kingdom of King Sihon of the Amorites, who used to reign in Heshbon and whom Moses attacked, along with the chiefs of Midian, Evi, Rekem, Zur, Hur, and Reba, nobles of Sihon who lived in the land.

Hebron used to be known as Kiriath-arba, after the greatest man among the Anakim. After all of this, the land enjoyed rest from war.