Where does “עליכם שלום” come from?

עליכם שלום (Hebrew) comes from Hebrew שָׁלוֹם, from Proto-Semitic šalām- — peace, well-being, welfare.

Ancestry of “עליכם שלום”, step by step

עליכם שלום traces back through two separate lines of ancestry.

via Hebrew שָׁלוֹם

StepLanguageWordMeaning
1Hebrewשָׁלוֹםpeace, well-being; Hello, good-bye
2Proto-Semiticšalām-peace, well-being, welfare

via Hebrew על

StepLanguageWordMeaning
1HebrewעלOn, on top of; On; must
2Proto-Semitic*ʕalay-on, on top of
Every word from Proto-Semitic šalām- →Every word from Hebrew שָׁלוֹם →