'Formerly' in the Bible

At that time Joshua turned back, captured Hazor, and struck down its king with the sword, because Hazor had formerly been the leader of all these kingdoms.

and the name of Hebron formerly is Kirjath-Arba (he is the great man among the Anakim); and the land hath rest from war.

Then he went up from there to attack the inhabitants of Debir. (Debir was formerly known as Kiriath-sepher.)