Where does “zwölfmonatlich” come from?

zwölfmonatlich (German) comes from German monatlich, from German Monat, from Middle High German mānōt, from Old High German mānōd, from Proto-West Germanic mānōþ, from Proto-Germanic mēnōþs, from Proto-Indo-European mḗh₁n̥s, from Proto-Indo-European meh₁- — to measure.

zwölfmonatlich (German): twelve-monthly occurring once every twelve months

Definitions

  1. twelve-monthly occurring once every twelve months

Ancestry of “zwölfmonatlich”, step by step

zwölfmonatlich traces back through two separate lines of ancestry.

via German monatlich

StepLanguageWordMeaning
1Germanmonatlichmonthly; monthly, every month
2GermanMonatmonth
3Middle High Germanmānōtmonth
4Old High Germanmānōdmonth
5Proto-West Germanicmānōþmonth
6Proto-Germanicmēnōþsmonth
7Proto-Indo-Europeanmḗh₁n̥smoon; month
8Proto-Indo-Europeanmeh₁-to measure

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...
Every word from Proto-Indo-European meh₁-Every word from Proto-Indo-European mḗh₁n̥sEvery word from Proto-Germanic mēnōþs