The Hebrew verb lācham (לָחַם) means to fight, do battle, make war, or wage combat. It occurs approximately 170 times in the Old Testament, describing both literal military conflict and, metaphorically, God's warfare on behalf of His people. The word is related to lechem (bread), suggesting the ancient connection between struggle for sustenance and battle.
A central theological theme in lācham is the concept of divine warfare — God Himself fighting for Israel. The great declaration of Exodus 14:14, 'The LORD will fight for you; you need only be still,' uses this verb. Israel's military victories were understood as God's battles, not human achievement. This theology reaches its fullest expression in the New Testament concept of spiritual warfare (Ephesians 6:10–18), where believers engage not in fleshly combat but in the power of the Spirit against principalities and powers.