Where does “mónuðr” come from?

mónuðr (Old Norse) comes from Proto-Germanic mēnōþs, from Proto-Indo-European mḗh₁n̥s, from Proto-Indo-European meh₁- — to measure.

Ancestry of “mónuðr”, step by step

StepLanguageWordMeaning
1Proto-Germanicmēnōþsmonth
2Proto-Indo-Europeanmḗh₁n̥smoon; month
3Proto-Indo-Europeanmeh₁-to measure
Every word from Proto-Indo-European meh₁- →Every word from Proto-Indo-European mḗh₁n̥s →Every word from Proto-Germanic mēnōþs →