kyebosh
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kibosh — [kī′bäsh΄, ki bäsh′] n. [earlier also kyebosh < ? Ir cie bais, lit., cap of death: infl. in Eng by assoc. with BOSH1] Slang a thing that stops (something else): now usually in put the kibosh on, to put an end to; squelch or veto … English World dictionary