Type Element Usage Medieval Slavic Meaning & History Slavic element meaning "willow" [1]. Related ItemsFamily Tree·Details Given Name DescendantsIva(Bulgarian) Iva(Croatian) Iva(Macedonian) Iva(Serbian) Sources & References Derksen, Rick. Etymological Dictionary of the Slavic Inherited Lexicon. Brill, 2008, page 216.