X-Nay.....where the heck....

I X-nayed the plan....
Where does the word...X-Nay come from?

I am guessing it has something to do with
Yea/Nay and hte senate.

Does anyone have more info?

Ian Cognito
Canada

The word is ixnayed, which is pig lat*n for nix.

Main Entry: nix
Function: transitive verb
Date: circa 1934

VETO, REJECT