Why is "dog" in "underdog"?

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

Track title: CC L Beethoven - Piano Sonata No 8 in C

--

Chapters
00:00 Why Is &Quot;Dog&Quot; In &Quot;Underdog&Quot;?
00:40 Accepted Answer Score 6
01:10 Answer 2 Score 3
04:26 Answer 3 Score 0
04:54 Thank you

--

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

--

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

--

Tags
#etymology #nouns

#avk47