"Luso-" is a combining form of Portuguese origin which pertains to Portugal and the Portuguese culture. It is typically used as a prefix to describe anything related to Portuguese language, history, or people. Synonyms for "Luso-" include "Portuguese," "Lusitanian," "Portugal-related," and "Iberian." These words are often used interchangeably to refer to anything connected to Portugal or the Portuguese-speaking world. The term "Lusophone" is also commonly used to refer to countries or regions where Portuguese is spoken as the official language. Thus, if one wants to communicate about the Portuguese world, it is essential to know these synonyms and use them appropriately.