Where does “doorbusting” come from?

doorbusting (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.

doorbusting (English): Of or relating to a doorbuster, a limited sale at low prices

Definitions

  1. Of or relating to a doorbuster, a limited sale at low prices

Ancestry of “doorbusting”, step by step

doorbusting 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 busting

StepLanguageWordMeaning
1EnglishbustingUrgently needing to urinate; present participle...
Every word from Proto-Indo-European dʰer-