sha·lom a·lei·chem 
(shô′ləm ə-lāəm, -kəm, shä-lōm ä-lā-ĕm)
(shô′ləm ə-lāəm, -kəm, shä-lōm ä-lā-ĕm)interj.
Used as a traditional Jewish greeting or farewell.
[Hebrew šālôm 'ălêkem, peace be with you : šālôm, peace; see šlm in the Appendix of Semitic roots + 'ălêkem, with you ('al, 'ălê, to, upon; see ʿly in the Appendix of Semitic roots + -kem, second person pl. pronoun).]