Where does “dreimonatlich” come from?

dreimonatlich (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.

dreimonatlich (German): three-monthly, quarterly

Definitions

  1. three-monthly, quarterly

Ancestry of “dreimonatlich”, step by step

dreimonatlich 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 Drei

StepLanguageWordMeaning
1GermanDreithree
2Middle High Germandrīthree
3Old High Germandrīthree
4Proto-West Germanicþrīʀthree
5Proto-Germanicþrīzthree
6Proto-Indo-European*tréyes—
Every word from Proto-Indo-European meh₁- →Every word from Proto-Indo-European mḗh₁n̥s →Every word from Proto-Germanic mēnōþs →