The story
- Proto-Indo-European*de
- Proto-Indo-European*déh₁
- Proto-Italic*dē
- Latindē
- Latindē-
- Englishde-
- Englishbunkumclip.
- Englishbunk
- English todaydebunk
From de- (“away”) + bunk (“nonsense”) (from bunkum, from Buncombe County) 1923.
Etymology from Wiktionary, CC BY-SA 4.0.