verb (used without object)
to complain, especially chronically.
Also kvetch·er. a person who kvetches.
Origin of kvetch
1960–65, Americanism; < Yiddish kvetshn literally, to squeeze, pinch; compare Middle High German, German quetschen
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
(intr) slang, mainly US to complain or grumble, esp incessantly
Word Origin for kvetch
C20: from Yiddish kvetshn, literally: to squeeze, press
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
"to complain, whine," 1953 (implied in kvetching), from Yiddish kvetshn, literally "squeeze, press," from German quetsche "crusher, presser." As a noun, from 1936 as a term of abuse for a person.
Online Etymology Dictionary, © 2010 Douglas Harper