Where does “treehouse” come from?

treehouse (English) comes from English House, from Middle English hous, from Old English hūs, from Proto-West Germanic hūs, from Proto-Germanic hūsą, from Proto-Indo-European (s)kewH- — to cover, bedeck; cover.

treehouse (English): A house, or similar structure within a tree, or...

Definitions

  1. A house, or similar structure within a tree, or...

Ancestry of “treehouse”, step by step

treehouse traces back through two separate lines of ancestry.

via English House

StepLanguageWordMeaning
1EnglishHouseA particular chamber of political representation
2Middle Englishhoushouse, residence; house of worship, temple;...
3Old Englishhūsdwelling, shelter, house; house
4Proto-West Germanichūshouse
5Proto-Germanichūsąhouse
6Proto-Indo-European(s)kewH-to cover, bedeck; cover

via English tree

StepLanguageWordMeaning
1EnglishtreeA perennial woody plant, not exactly defined, but...
2Middle EnglishtreA tree or a plant that resembles one
Every word from Proto-Indo-European (s)kewH-