Where does “Vatermörderin” come from?

Vatermörderin (German) comes from German Vatermörder, from German vater, from Middle High German vater, from Old High German fater, from Proto-West Germanic fader, from Proto-Germanic fadēr, from Proto-Indo-European ph₂tḗr, from Proto-Indo-European peh₂- — to protect; to shepherd.

Ancestry of “Vatermörderin”, step by step

StepLanguageWordMeaning
1GermanVatermörderpatricide
2Germanvaterfather
3Middle High Germanvaterfather
4Old High Germanfaterfather
5Proto-West Germanicfaderfather
6Proto-Germanicfadērfather
7Proto-Indo-Europeanph₂tḗrfather
8Proto-Indo-Europeanpeh₂-to protect; to shepherd
Every word from Proto-Indo-European peh₂- →Every word from Proto-Indo-European ph₂tḗr →Every word from Proto-Germanic fadēr →