Wiktionary
what not
n. (context idiomatic dated English) Something of the kind, whatever (used to terminate a vague list).
Usage examples of "what not".
They knew what not to do, wear, eat, drink, smoke, touch, visit or meet under it that could ever be blown up for the repulsion of the voter.
Every one knows what a multitude of things--beds, sauce-pans, knives and forks, shovels and tongs, napkins, nut-crackers, and what not, are indispensable to the business of housekeeping.