Etymology Explorer › English

Where does “indoor” come from?

Indoor comes from English in and door, which derives from Middle English dore, Old English dora, Proto-Germanic durz, and Proto-Indo-European dʰwer-, meaning an opening or passage.

indoor (English): Situated in, or designed to be used in, or...

Definitions

  1. Situated in, or designed to be used in, or...

Ancestry of “indoor”, step by step

StepLanguageWordMeaning
1EnglishdoorA portal of entry into a building, room, or...
2Middle Englishdore—
3Old Englishdorabumblebee
4Proto-Germanicdurôbumblebee, humming insect
5Proto-Indo-Europeandʰer-to support; to hold

Words derived from “indoor”

  • indoors
  • indoorsy
  • indoor
Every word from Proto-Indo-European dʰer- →