The crossword solution for the term PARTICULAR SLAV is SERB, which is a four-letter word. The Serbs are a South Slavic ethnic group that are predominantly located in Serbia, Bosnia and Herzegovina, Montenegro, Croatia, and Kosovo. They are one of the largest ethnic groups in the Balkans and have a long and rich history. The Serbs have their own language, culture, and traditions, and are known for their hospitality and strong sense of national identity.