Where does “Zwölfersystem” come from?

Zwölfersystem (German) comes from German zwölf, from Old High German zwelif, from Old High German twelif, from Proto-Germanic twalif, from Proto-Germanic -lif, from Proto-Indo-European leyp-, from Proto-Indo-European lēy- — to leave, let; to want, desire; to let; leave...

Zwölfersystem (German): duodecimal, dozenal, base 12 number system

Definitions

  1. duodecimal, dozenal, base 12 number system

Ancestry of “Zwölfersystem”, step by step

Zwölfersystem traces back through two separate lines of ancestry.

via German zwölf

StepLanguageWordMeaning
1Germanzwölftwelve
2Old High Germanzweliftwelve
3Old High Germantwelif—
4Proto-Germanictwaliftwelve
5Proto-Germanic-lifleft over
6Proto-Indo-Europeanleyp-to stick; fat or sticky substance
7Proto-Indo-Europeanlēy-to leave, let; to want, desire; to let; leave...

via German System

StepLanguageWordMeaning
1GermanSystemsystem; period
2Latinsystēmasystem
3Ancient Greekσύστημαa whole made of several parts or members, system;...
4Ancient Greek-μᾰ"suffix forming a noun denoting the result of an...
5Proto-Indo-European-mn̥Creates action nouns or result nouns from verbs
Every word from Proto-Indo-European lēy- →Every word from Proto-Indo-European leyp- →Every word from Proto-Germanic -lif →