schm‐

or shm‐

Origin of schm‐

From the Yiddish word shm‐
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Word Origin and History for schm-

substituted for the initial sound of a word and reduplicated with it to convey derision (e.g. "Oedipus schmoedipus" in the punchline of the old joke about the Jewish mother and the psychiatrist), 1929, from the numerous Yiddish words that begin with this sound.

Online Etymology Dictionary, © 2010 Douglas Harper