Where does “Dar es Salaam” come from?

Dar es Salaam (English) comes from Arabic دَار اَلسَّلَام — house of peace.

Ancestry of “Dar es Salaam”, step by step

Step	Language	Word	Meaning
1	Arabic	دَار اَلسَّلَام	house of peace

Dar es Salaam — Etymology, Origin & Word History | Etymology Explorer