Where does “Óðinssalr” come from?

Óðinssalr (Old Norse) comes from Old Norse Óðinn, from Proto-Germanic Wōdanaz, from Proto-Germanic wōdaz, from Proto-Indo-European weh₂t- — excited, inspired; possessed, raging.

Ancestry of “Óðinssalr”, step by step

Óðinssalr traces back through two separate lines of ancestry.

via Old Norse Óðinn

StepLanguageWordMeaning
1Old NorseÓðinnOdin
2Proto-GermanicWōdanazWoden or Odin, the Germanic supreme god. Identified in later times with the Roman god Mercury
3Proto-Germanicwōdazexcited, energised, spirited; frenzied, obsessed;...
4Proto-Indo-Europeanweh₂t-excited, inspired; possessed, raging

via Old Norse salr

StepLanguageWordMeaning
1Old Norsesalrroom, hall
2Proto-Germanicsalizhouse; dwelling; hall; room
3Proto-Indo-Europeansol-whole
Every word from Proto-Indo-European weh₂t-Every word from Proto-Germanic wōdazEvery word from Proto-Germanic Wōdanaz