Where does “Müllerchen” come from?

Müllerchen (German) comes from German Müller, from Middle High German mülnære, from Old High German mulināri, from Proto-Germanic *mulīnārī, from Latin molīnārius, from Latin molīnum, from Latin molīnus, from Latin mola — to strengthen; to bind; to change, exchange.

Ancestry of “Müllerchen”, step by step

StepLanguageWordMeaning
1GermanMüllermiller
2Middle High Germanmülnæremiller
3Old High Germanmulinārimiller
4Proto-Germanic*mulīnārī
5Latinmolīnāriusmiller
6Latinmolīnuma mill
7Latinmolīnusmill
8Latinmolamillstone; mill; ground meal
9Proto-Indo-Europeanmelh₂-to grind, to crush
10Proto-Indo-Europeanmel-soft; tender; weak; to deceive; to rub
11Proto-Indo-Europeanmey-to strengthen; to bind; to change, exchange
Every word from Proto-Indo-European mey-Every word from Proto-Indo-European mel-Every word from Proto-Indo-European melh₂-