Where does “Fieberwahn” come from?

Fieberwahn (German) comes from German Wahn, from Middle High German wan, from Old High German wanne, from Proto-Germanic hwannē, from Proto-Germanic hwan, from Proto-Germanic hwaz, from Proto-Indo-European kʷos, from Proto-Indo-European kʷ- — The primary interrogative root.

Fieberwahn (German): febrile delirium

Definitions

  1. febrile delirium

Ancestry of “Fieberwahn”, step by step

Fieberwahn traces back through two separate lines of ancestry.

via German Wahn

StepLanguageWordMeaning
1GermanWahndelusion, illusion, (vain) hope
2Middle High Germanwannot full, empty
3Old High Germanwanne
4Proto-Germanichwannēat what time, when; when
5Proto-Germanichwanwhen, at what time
6Proto-Germanichwazwho, what; whose; whom
7Proto-Indo-EuropeankʷosSee *kʷis
8Proto-Indo-Europeankʷ-The primary interrogative root

via German fieber

StepLanguageWordMeaning
1Germanfieberinflection of fiebern: ## first-person singular...
2Middle High Germanfieber
3Old High Germanfiebar
4Proto-Germanic*fēbr
5Latinfebrisfever
6Proto-Italic*feɣʷrisfever
7Proto-Indo-Europeandʰegʷʰris
8Proto-Indo-Europeandʰegʷʰ-to burn; warm, hot
Every word from Proto-Indo-European kʷ-Every word from Proto-Indo-European kʷosEvery word from Proto-Germanic hwaz
Fieberwahn — Etymology, Origin & Word History | Etymology Explorer