Where does “Octoberfest” come from?

Octoberfest (English) comes from English fest, from German fëst, from Middle High German fëst, from Latin festum, from Latin fēstus, from Proto-Italic fēstos.

Octoberfest (English): The Bavarian holiday (Oktoberfest or Wiesn), or any such holiday, celebrated in late September to early October, typically featuring German music, cuisine, and beer-drinking as prominent activities

Definitions

  1. The Bavarian holiday (Oktoberfest or Wiesn), or any such holiday, celebrated in late September to early October, typically featuring German music, cuisine, and beer-drinking as prominent activities

Ancestry of “Octoberfest”, step by step

Octoberfest traces back through two separate lines of ancestry.

via English fest

StepLanguageWordMeaning
1EnglishfestA gathering for a specified reason or occasion;...
2Germanfëst
3Middle High Germanfëst
4Latinfestuma holiday, festival; a banquet, feast
5LatinfēstusOf or pertaining to holidays; festive, festal, joyful, merry
6Proto-Italicfēstos

via English october

StepLanguageWordMeaning
1EnglishoctoberThe tenth month of the Gregorian calendar, following September and preceding November
2Latinoctōberof October
3Latinoctōeight; 8
4Proto-Italicoktōeight
5Proto-Indo-Europeanoḱtṓweight
6Proto-Indo-Europeanaḱ-sharp, pointed; sharp, pointed, edgy; sharp,...
Every word from Proto-Italic fēstos