What were called encaustic tiles in the Victorian era were originally called inlaid tiles during the medieval period. The use of the word "encaustic" to describe an inlaid tile of two or more colors is linguistically incorrect. The word encaustic from means "burning in" from the "en", "in" and "kaiein", "to burn". The term originally described a process of painting with a beeswax-based paint that was then fixed with heat. It was also applied to a process of medieval enameling. The term did not come into use when describing tile until the nineteenth century. Supposedly, Victorians thought that the two colour tiles strongly resembled enamel work and so called them encaustic. Despite the error, the term has now been in common use for so long that it is an accepted name for inlaid tile work.