Where does “Außenalster” come from?

Außenalster (German) comes from German außen, from Old High German ūzana, from Proto-West Germanic *ūtanā — from without, outside of.

Ancestry of “Außenalster”, step by step

Außenalster traces back through two separate lines of ancestry.

via German außen

StepLanguageWordMeaning
1Germanaußenoutside
2Old High Germanūzanaoutside
3Proto-West Germanic*ūtanāfrom without, outside of

via German Alster

StepLanguageWordMeaning
1GermanAlster—
Every word from Proto-West Germanic *ūtanā →Every word from Old High German ūzana →Every word from German außen →