shtoom

Word Origin for shtoom

from Yiddish, from German stumm silent
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

Word Origin and History for shtoom
adj.

"speechless, silent," from Yiddish, from German stumm "silent, mute" (see stammer (v.)).

Online Etymology Dictionary, © 2010 Douglas Harper