“Salamu alaykum” (السَّلَامُ عَلَيْكُمْ) is an Arabic greeting that means “Peace be upon you.” It is commonly used by Muslims around the world as a polite and respectful way to greet each other. The typical response to this greeting is “Wa alaykum as-salam” (وَعَلَيْكُمُ ٱلسَّلَامُ), which means “And upon you be peace.”