Where does “Verdreifacher” come from?

Verdreifacher (German) comes from German verdreifachen, from German Dreifach, from German -fach, from Middle High German vach, from Old High German fah, from Proto-Germanic *fak, from Proto-Germanic faką, from Proto-Indo-European peh₂ǵ- — to attach.

Ancestry of “Verdreifacher”, step by step

StepLanguageWordMeaning
1Germanverdreifachento triple
2GermanDreifachtriple (made up of three matching or complementary elements)
3German-fach-fold
4Middle High Germanvach-fold
5Old High Germanfahwall
6Proto-Germanic*fak
7Proto-GermanicfakąAn enclosed or defined space; division;...
8Proto-Indo-Europeanpeh₂ǵ-to attach
Every word from Proto-Indo-European peh₂ǵ-