Where does “Eröffnungsfeier” come from?

Eröffnungsfeier (German) comes from German Eröffnung, from German eröffnen, from German er-, from Middle High German er-, from Old High German ir-, from Proto-West Germanic uʀ-, from Proto-Germanic uz-, from Proto-Indo-European uss- — out, outward.

Eröffnungsfeier (German): opening ceremony

Definitions

  1. opening ceremony

Ancestry of “Eröffnungsfeier”, step by step

Eröffnungsfeier traces back through two separate lines of ancestry.

via German Eröffnung

StepLanguageWordMeaning
1GermanEröffnungopening
2Germaneröffnento open thus far as to become accessible or...
3Germaner-Inseparable verbal prefix that indicates a...
4Middle High Germaner-
5Old High Germanir-thoroughly
6Proto-West Germanicuʀ-out, over; off, away
7Proto-Germanicuz-up, out
8Proto-Indo-Europeanuss-
9Proto-Indo-Europeanuds-up, out
10Proto-Indo-Europeanúdout, outward

via German feier

StepLanguageWordMeaning
1Germanfeierinflection of feiern: ## first-person singular...
2Middle High Germanvirecelebration
3Old High Germanfīracelebration
4Latinfēriaea holy day; a festival; a holiday
Every word from Proto-Indo-European úd