an inexpensive souvenir, trinket, or ornament.
Origin of tchotchke
1965–70, Americanism; < Yiddish tshatshke < Polish czaczko bibelot, knickknack (now obsolete; compare modern cacko with same sense, orig. dial.); of expressive orig.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
"tinket, gewgaw," also (transferred) "pretty girl," 1964, American English, from Yiddish, from a Slavic source (cf. Russian tsatska).
Online Etymology Dictionary, © 2010 Douglas Harper