Where does “Versiebenfachung” come from?

Versiebenfachung (German) comes from German versiebenfachen, from German siebenfach, from German Sieben, from Middle High German siben, from Old High German sibun, from Proto-West Germanic *sibun, from Proto-Germanic sebun, from Proto-Germanic sebunt — seven.

Versiebenfachung (German): septupling

Definitions

  1. septupling

Ancestry of “Versiebenfachung”, step by step

StepLanguageWordMeaning
1Germanversiebenfachento septuple, to septuplicate, to multiply by seven
2Germansiebenfachsevenfold
3GermanSiebenseven; gerund of sieben; the act of sifting;...
4Middle High Germansiben
5Old High Germansibunseven
6Proto-West Germanic*sibun
7Proto-Germanicsebunseven
8Proto-Germanicsebunt
9Proto-Indo-Europeanseptḿ̥seven
Every word from Proto-Indo-European septḿ̥Every word from Proto-Germanic sebuntEvery word from Proto-Germanic sebun