Type Word Usage Old Slavic (Hypothetical) Meaning & History Slavic word meaning "glow, heat" [1]. Related ItemsFamily Tree·Details Given Name DescendantsŽarko(Croatian) Žarko, Zharko(Macedonian) Žarko(Serbian) Sources & References Derksen, Rick. Etymological Dictionary of the Slavic Inherited Lexicon. Brill, 2008, page 554.