whisht

That'll do so, and let you whisht, for he's coming now again.
The Playboy of the Western World|J. M. Synge
Whisht, 'uman, he's come around the new cojutor and got a job.
My New Curate|P.A. Sheehan
Hold your whisht, mother, will you, or you'll be sorry for it after.
O'Flaherty V. C.|George Bernard Shaw
I knowed wan that cud play th' "Wacht am Rhine" on a pair iv cymbals,' he says, 'Whisht!'
Mr. Dooley: In the Hearts of His Countrymen|Finley Peter Dunne

But Barney interrupted her with a sudden incredulous gesture and a big sob, "Ah, whisht, Sisther!"
North, South and Over the Sea|M.E. Francis (Mrs. Francis Blundell)

British Dictionary definitions for whisht

whisht

whist (hwist)

/ (hwiʃt) Scot /

interjection

hush! be quiet!

adjective

silent or still

verb

to make or become silent

Word Origin for whisht

C14: compare hist; also obsolete v. whist to become 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