The story
Unknown, US mid 19th century. The word-puzzle sense comes from the board game Dingbats, which is based on these puzzles. In the sense of a miscellaneous gadget, probably influenced by dingus or its etyma.
First known use, by meaning
- from 1838 Anything that can be thrown or swung with force against something else.
Etymology from Wiktionary, CC BY-SA 4.0.