Word Origin & History
Scandinavian1765, from L.L. Scandinavia, a mistake for Scadinavia, from a Gmc. source (cf. O.E. Scedenig, O.N. Skaney "south end of Sweden"), from P.Gmc. *skadinaujo "Scadia island," first element of uncertain origin, second element from *aujo "thing on the water," from PIE *akwa- "water." It may truly have been
an island when the word was formed; the geography of the Baltic Sea has changed dramatically since the end of the Ice Ages.