Romani, an Indo-Aryan language spoken in Europe, came into contact with (South) Slavic when the entire Romani-speaking community was still based in the Byzantine Empire, i.e., before the 15th century. Some Romani dialects are still spoken in the South Slavic area, while others spread to West and East Slavic territories. Numerous matter borrowings, e.g., loanwords, derivational and inflectional affixes, and pattern borrowings, e.g., phonological rules or calqued uses of grammatical forms, have e…