Where does “Monatsregel” come from?

Monatsregel (German) comes from German rēgel, from Middle High German regel, from Old High German regula, from Latin rēgula, from Latin -ula, from Proto-Indo-European -tlom, from Proto-Indo-European -trom, from Proto-Indo-European -tḗr — Derives agent nouns from verbs, denoting someone...

Monatsregel (German): period, menstruation

Definitions

  1. period, menstruation

Ancestry of “Monatsregel”, step by step

Monatsregel traces back through two separate lines of ancestry.

via German rēgel

StepLanguageWordMeaning
1Germanrēgelrule
2Middle High Germanregel
3Old High Germanregula
4Latinrēgularule, bar
5Latin-ularegō + API → rēgula; tegō + API → tēgula;...
6Proto-Indo-European-tlomAlternative form of *-trom
7Proto-Indo-European-tromForms nouns denoting a tool or instrument
8Proto-Indo-European-tḗrDerives agent nouns from verbs, denoting someone...

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 -tḗrEvery word from Latin -ulaEvery word from Latin rēgula