10 Interesting Facts about Bulgarian

2. Some features of Bulgar survive in Bulgarian

Bulgarians do trace their heritage back to the Bulgar tribes that arrived from the Caucasus. And while the language of those tribes is dead, some features of them live on in even today’s language. For example, the first person singular pronoun (that is, I) which for most Slavic tongues is “ya”, is “az” in Bulgarian – a word of Bulgar origin.