PäritoluFrom either Middle Low German vurste, vorste or Swedish furste.
Vormidvürsti(genitive) · vürsti(partitive) · vürst(nominative, singular) · vürstid(nominative, plural) · vürst(accusative, nominative, singular) · vürstid(accusative, nominative, plural) · vürsti(accusative, genitive, singular) · vürstid(accusative, genitive, plural) · vürsti(genitive, singular) · vürstide(genitive, plural) · vürsti(partitive, singular) · vürste(partitive, plural) · vürstisid(partitive, plural) · vürsti(illative, singular) · vürstisse(illative, singular) · vürstidesse(illative, plural) · vürstesse(illative, plural) · vürstis(inessive, singular) · vürstides(inessive, plural) · vürstes(inessive, plural)
Allikas: Wiktionary