Etymology Explorer › English

Where does “trapdoor” come from?

Trapdoor comes from English trap and door, where door derives from Old English dora, Swedish trapp, ultimately from Proto-Indo-European dʰwer- meaning an opening or entrance.

trapdoor (English): A hinged or sliding door set into a floor or...

Definitions

  1. A hinged or sliding door set into a floor or...

Ancestry of “trapdoor”, step by step

StepLanguageWordMeaning
1EnglishtrapA machine or other device designed to catch ...
2Middle Englishtrappetrap
3Old Englishtræppe—
4Proto-Germanictrap-—
5Proto-Indo-Europeandreb-—
6Proto-Indo-Europeander-to split, to separate; to tear, to crack, to...
Every word from Proto-Indo-European der- →