The story
- Proto-Germanic*rubbōną
- Proto-West Germanic*rubbōn?
- Middle Englishrubben
- Englishrub
- Englishrubber
- Proto-Germanic*hnakkô
- Proto-West Germanic*hnakkō
- Old Englishhnecca
- Middle Englishnekke
- Englishneck
- English todayrubberneck
From rubber + neck. Coined in the sense of "tourist" in the United States in the late 19th century. A favored Americanism of H.L. Mencken.
Etymology from Wiktionary, CC BY-SA 4.0.