Where does “Casablanca” come from?

Casablanca comes from Spanish casa meaning house and Arabic blanca meaning white, from Latin casa, which derives from Latin casus and Proto-Indo-European bhleg-.

Ancestry of “Casablanca”, step by step

StepLanguageWordMeaning
1SpanishCasablanca
2PortugueseCasa BrancaWhite House the official residence of the President of the United States of America
3EnglishWhite HouseThe official home and workplace of the President of the United States of America
Every word from English White HouseEvery word from Portuguese Casa BrancaEvery word from Spanish Casablanca