Where does “Märchenwäldchen” come from?

Märchenwäldchen (German) comes from German Märchen, from German Mär, from Middle High German mære, from Old High German māri, from Proto-Germanic mērijaz, from Proto-Indo-European mēros — large, handsome.

Ancestry of “Märchenwäldchen”, step by step

Märchenwäldchen traces back through two separate lines of ancestry.

via German Märchen

StepLanguageWordMeaning
1GermanMärchenfairy tale
2GermanMäran often repeated untruth, a fable, a false...
3Middle High Germanmærefamous
4Old High Germanmārifamous, great; well known, famous; news, tale
5Proto-Germanicmērijazrenowned, famous, great
6Proto-Indo-Europeanmēroslarge, handsome

via German Wäldchen

StepLanguageWordMeaning
1GermanWäldchen
Every word from Proto-Indo-European mērosEvery word from Proto-Germanic mērijazEvery word from Old High German māri