Synonyms Word Origin a mechanical contrivance or device; any ingenious article. Origin of gadget 1850–55; origin uncertain; compare French gâchette the catch of a lock, sear of a gunlock Related forms gadg·et·y , [ gaj-i-tee] /ˈgædʒ ɪ ti/ adjective
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for gadgety a small mechanical device or appliance any object that is interesting for its ingenuity or novelty rather than for its practical use Derived Forms gadgety, adjective Word Origin for gadget
C19: perhaps from French
gâchette lock catch, trigger, diminutive of gâche staple
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Word Origin and History for gadgety n.
gadjet (but said to date back to 1850s), sailors' slang word for any small mechanical thing or part of a ship for which they lacked, or forgot, a name; perhaps from French gâchette "catchpiece of a mechanism" (15c.), diminutive of gâche "staple of a lock."
Online Etymology Dictionary, © 2010 Douglas Harper