блъгаринъ

Etymology
Akin to, from + , the former being the active noun/adjective of.

Noun

 * 1) a male Bulgarian
 * 2) * from the Bitola inscription 4-6:
 * "cu"

- съ же градь дѣлань быст[ъ на｜оуб]ѣжище и на сп҃сение ї на жизнь бльгаромъ