Assalamu alaikum (السلام عليكم) is an Arabic language greeting used in Muslim cultures. It means "Peace be upon you."
The other forms are: "Assalamu 'Alaykum Wa Rahmatullah (السلام عليكم ورحمة الله)," which means:"May the peace and the Mercy of Allah be upon you," and "Assalamu Alaykum Wa Rahmatullahi Wa Barakatuh (السلام عليكم ورحمة الله وبركته)," which means :"May the peace, the mercy, and the blessings of Allah be upon you."
Other Spellings: Assalamo Alaikum, Asalamo Alaikum
An abbreviation used by some, especially when chatting, is ASA.
The Hebrew version is Shalom Aleichem.
Source
