Where does “سلام علیك” come from?

سلام علیك (Ottoman Turkish) comes from Arabic اَلسَّلَامُ عَلَيْكُمْ — hello; peace be upon you.

Ancestry of “سلام علیك”, step by step

Step	Language	Word	Meaning
1	Arabic	اَلسَّلَامُ عَلَيْكُمْ	hello; peace be upon you

سلام علیك — Etymology, Origin & Word History | Etymology Explorer