Here is a little more info. on how pagan names are incorporated into "Israel".
The Canaanite migrants brought with them cultic practices and images of their traditional gods. A major Canaanite god was El, and the phrase ?El has conquered? gives us the word Isra?el. The Canaanite god El had a ghostly presence in a host of Jewish heroes: Dan-i-El; Ezek-i-El; Sam-u-El, Ish-ma-El, El-i-jah, El-o-him, etc. God-inspired names were common throughout the west-Semitic language region. Other Canaanite gods included Baal (a storm god) ? also honoured in a host of Hebrew names, Asherah (a fertility goddess, consort of El), Shalem (a Syrian sun god ? later to be honoured in the name Jeru?salem ), Milcom, Chemosh, etc. Ru?shalimum is mentioned in records of the Pharaoh Sesostris III (BC 1872 - 1847) ? the settlement actually pre-existent long before the tribe of Hebrews made it their own. The site then appears to have been unoccupied for three hundred years until the Jebusites (otherwise known as Kereti or Peleti ? Cretans or Philistines) arrived. (See Karen Armstrong, A History of Jerusalem, 1997)
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