- thump (v.)
- 1530s, "to strike hard," probably imitative of the sound made by hitting with a heavy object (compare East Frisian dump "a knock," Swedish dialectal dumpa "to make a noise"). Related: Thumped; thumping.
- thump (n.)
- 1550s, "dull, heavy sound," from thump (v.). As "a hard blow" from 1620s.
