Type Word & Element Usage Old Slavic (Hypothetical) Scripts вьсь(Church Slavic) Meaning & History Slavic word meaning "all" [1]. Related ItemsFamily Tree·Details Other Languages & Cultureswisos(Medieval Baltic) Given Name DescendantsVisvaldis(Latvian) Visvaldas(Lithuanian) Vsevolod(Russian) Vsevolod(Ukrainian) Sources & References Derksen, Rick. Etymological Dictionary of the Slavic Inherited Lexicon. Brill, 2008, page 540.