Why is a door prize called a "door prize"?

--------------------------------------------------
Rise to the top 3% as a developer or hire one of them at Toptal: https://topt.al/25cXVn
--------------------------------------------------

Music by Eric Matyas
https://www.soundimage.org
Track title: Music Box Puzzles

--

Chapters
00:00 Why Is A Door Prize Called A &Quot;Door Prize&Quot;?
00:17 Accepted Answer Score 9
00:48 Answer 2 Score 0
01:19 Thank you

--

Full question
https://english.stackexchange.com/questi...

--

Content licensed under CC BY-SA
https://meta.stackexchange.com/help/lice...

--

Tags
#etymology

#avk47