Where does “Salvadoreño” come from?

Salvadoreño (English) comes from Spanish salvadoreño, from Spanish El Salvador — The Saviour.

Ancestry of “Salvadoreño”, step by step

StepLanguageWordMeaning
1SpanishsalvadoreñoSalvadoran
2SpanishEl SalvadorThe Saviour
Every word from Spanish El SalvadorEvery word from Spanish salvadoreño