Type Word Usage Old Slavic (Hypothetical) Scripts сꙑнъ(Church Slavic) Meaning & History Slavic word meaning "son" [1]. Related ItemsDetails Given Name DescendantsSiniša(Croatian) Siniša(Serbian) Sources & References Derksen, Rick. Etymological Dictionary of the Slavic Inherited Lexicon. Brill, 2008, page 483.