Where does “indoor” come from?

indoor (Italian) comes from English indoor, from English door, from Middle English dore, from Old English dora, from Proto-Germanic durô, from Proto-Indo-European dʰer- — to support; to hold.

indoor (Italian): indoor (sport)

Definitions

  1. indoor (sport)

Ancestry of “indoor”, step by step

StepLanguageWordMeaning
1EnglishindoorSituated in, or designed to be used in, or...
2EnglishdoorA portal of entry into a building, room, or...
3Middle EnglishdoreA door or gate structure barring an entrance
4Old Englishdorabumblebee
5Proto-Germanicdurôbumblebee, humming insect
6Proto-Indo-Europeandʰer-to support; to hold
Every word from Proto-Indo-European dʰer-Every word from Proto-Germanic durôEvery word from Old English dora