Where does the word salsa come from?

Salsa is from the Spanish salsa meaning sauce.

The spanish Word derives from the Latin salsa meaning salty.

The Word comes from Vulgar Latin meaning 'condiment', The Word then travels to Spain where it means 'sauce' and then travels to the American Continents, particularly Mexico where salsa (again) means sauce, especially a hot sauce containing chillies and also because it has a variety and mixture of styles. The Word also applies to a lively vigorous style of dance, being a mixture of rock and jazz styles. The sauce and the music having one thing in common - a mixture of styles