Where does “Scandinavia” come from?

Scandinavia comes from Latin Scandinavia, derived from Proto-Germanic Skaþinawjō, which combines Skaþina- with Proto-Germanic awjō meaning "island," ultimately from Proto-Indo-European h₂ekʰeh₂.

Ancestry of “Scandinavia”, step by step

StepLanguageWordMeaning
1LatinScandinaviaScandināvia
2Proto-GermanicSkaþinawjōScadia island; Scania
3Proto-Germanicawjōfloodplain; meadow; island
4Proto-Germanicagwjō
5Proto-Indo-Europeanh₂ékʷeh₂water
Every word from Proto-Indo-European h₂ékʷeh₂Every word from Proto-Germanic agwjōEvery word from Proto-Germanic awjō