Type Word Usage Medieval Slavic Meaning & History Slavic word meaning "herb" [1]. Related ItemsFamily Tree·Details Given Name DescendantsBilyana(Bulgarian) Biljana(Croatian) Biljana(Macedonian) Biljana(Serbian) Biljana(Slovene) Sources & References Derksen, Rick. Etymological Dictionary of the Slavic Inherited Lexicon. Brill, 2008, page 71.