kibosh
Concise Oxford English Dictionary © 2008 Oxford University Press:
kibosh /ˈkʌɪbɒʃ/ (also kybosh) informal
▶noun (in phr. put the kibosh on) put a decisive end to. ▶verb chiefly N. Amer. put an end to.
– origin C19: of unknown origin.
'kibosh' also found in these Oxford entries:

