Where does “Mauerläufer” come from?

Mauerläufer (German) comes from German Mauer, from Middle High German mūre, from Old High German mūra, from Proto-West Germanic *mūrā, from Latin mūrus, from Old Latin moerus, from Proto-Indo-European mēy- — soft, tender, dear.

Mauerläufer (German): wallcreeper

Definitions

  1. wallcreeper

Ancestry of “Mauerläufer”, step by step

Mauerläufer traces back through two separate lines of ancestry.

via German Mauer

StepLanguageWordMeaning
1GermanMauera wall, usually one made of stone or concrete
2Middle High Germanmūrewall
3Old High Germanmūrawall
4Proto-West Germanic*mūrāwall
5Latinmūruswall, city wall(s), (usually of a city, as opposed to pariēs)
6Old Latinmoerus
7Proto-Indo-Europeanmēy-soft, tender, dear

via German Läufer

StepLanguageWordMeaning
1GermanLäuferagent noun of laufen; runner; runner; bishop
2Middle High Germanlöuferrunner
3Old High Germanloufāri
Every word from Proto-Indo-European mēy-