From Middle English tumben, tomben, from Old English tumbian (“to tumble, leap, dance”), from Proto-Germanic *tūmōną (“to turn round”). Cognate with Middle High German tumen (“to turn round”), Icelandic tumba (“to tumble”). See tumble.
- Rhymes: -ʌm
Borrowed in the 19th century from written Middle High German [Term?] tump, from Old High German tumb. The inherited form of this word is dumm (Central and Low German) alongside tumm (Upper German; archaic).