Where does “Helmdach” come from?

Helmdach (German) comes from German helm, from Middle High German helm, from Old High German helm, from Proto-West Germanic helm, from Proto-Germanic helmaz, from Proto-Germanic halmaz, from Proto-Indo-European ḱolh₂mos, from Proto-Indo-European ḱelh₂- — to pierce, strike; to stick; prick; stab.

Helmdach (German): helm roof

Definitions

  1. helm roof

Ancestry of “Helmdach”, step by step

Helmdach traces back through two separate lines of ancestry.

via German helm

StepLanguageWordMeaning
1Germanhelmhelmet
2Middle High Germanhelmstalk
3Old High Germanhelmhelmet
4Proto-West Germanichelmhelmet
5Proto-Germanichelmazhelmet
6Proto-Germanichalmazhalm; stem; stalk; straw; hay
7Proto-Indo-Europeanḱolh₂mosstalk
8Proto-Indo-Europeanḱelh₂-to pierce, strike; to stick; prick; stab

via German dach

StepLanguageWordMeaning
1Germandach
2Middle High Germandach
3Old High Germandag
4Old High Germantagday
5Proto-West Germanicdagday
6Proto-Germanicdagazday; name of the D-rune
7Proto-Indo-Europeandʰegʷʰ-to burn; warm, hot
Every word from Proto-Indo-European ḱelh₂-
Helmdach — Etymology, Origin & Word History | Etymology Explorer