Where does “doorkey” come from?

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

doorkey (English): A key that locks and unlocks a door

Definitions

  1. A key that locks and unlocks a door

Ancestry of “doorkey”, step by step

doorkey traces back through two separate lines of ancestry.

via English door

StepLanguageWordMeaning
1EnglishdoorA portal of entry into a building, room, or...
2Middle EnglishdoreA door or gate structure barring an entrance
3Old Englishdorabumblebee
4Proto-Germanicdurôbumblebee, humming insect
5Proto-Indo-Europeandʰer-to support; to hold

via English key

StepLanguageWordMeaning
1EnglishkeyAn object designed to open and close a lock; An...
2EnglishcayA small, low island largely made of sand or coral
3SpanishCayokey island
4Taínocayosmall island
Every word from Proto-Indo-European dʰer- →Every word from Proto-Germanic durô →Every word from Old English dora →