Where does “zwölfmonatig” come from?

zwölfmonatig (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...

zwölfmonatig (German): twelve-month; lasting twelve months

Definitions

  1. twelve-month; lasting twelve months

Ancestry of “zwölfmonatig”, step by step

zwölfmonatig 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 Monat

StepLanguageWordMeaning
1GermanMonatmonth
2Middle High Germanmānōtmonth
3Old High Germanmānōdmonth
4Proto-West Germanicmānōþmonth
5Proto-Germanicmēnōþsmonth
6Proto-Indo-Europeanmḗh₁n̥smoon; month
7Proto-Indo-Europeanmeh₁-to measure
Every word from Proto-Indo-European lēy- →Every word from Proto-Indo-European leyp- →Every word from Proto-Germanic -lif →