Jeru – a battle, or contention
Gideon was called Jerubaal, which means He who Contends with Baal.
Salem – same as shalom, peace
So, Jerusalem is The Battle for Peace or The Contention for Peace.
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Let us labour therefore to enter into that rest, lest any man fall after the same example of unbelief. Hebrews 4:11
Battle, Peace?! These seem like incompatible opposites, but where there is no peace, one must contend for peace. A battle for peace is a battle for life and freedom. These three always dwell together; life, freedom, peace.