سلام علیکم

Borrowed from Arabic سَلَام عَلَيْكُم (salām ʕalaykum).

سَلام عَلِیْکُم • (salâm 'aleykom)

1. good day to you, good afternoon, hello, salaam alaikum (a somewhat formal Islamic greeting)
   

• اَلسَّلامُ عَلَیکُم وَرَحْمَۃُاللہ وَبَرَکَاتُہ (as-salām alaikum wa-raḥmatu llāhi wa-barakātuhu, “Peace be upon you as well as Allah's mercy and blessings.”)
• السلام علیکم (as-salām alaikum)

From the Arabic سَلَامٌ عَلَيْكُم (salāmun ʕalaykum, “peace be upon you”).

• (Standard Urdu) IPA^(key): /sə.lɑːm ə.lɛː.kʊm/

سَلام عَلَیکُم • (salām 'alaikum) (Hindi spelling सलाम अलैकुम)

1. (Islam) salaam alaikum (Muslim greeting)

• وعلیکم السلام (wālekum assalām, “reply”)
• شالوم علیخیم (“shalom aleichem”)