The first thing you should know if you are considering Bex for your baby's name is that in most countries all over the world the name Bex is a girl name. The name Bex is of Hebrew origin, and is used mostly in English speaking countries but also in a few other countries and languages of the world.
El-Olam El-Olam means that God is the everlasting God. Abraham planted a tamarisk tree at Beersheba, and there he called on the name of the Lord, the Everlasting God [El-Olam] (Genesis 21:33).
Assalamu alaikum in English. As-salamu alaykum is a Muslim greeting and parting expression. It is Arabic and translates to the peace be you (plural).