Bivvy

or gatter , beer; “shant of bivvy ,” a pot or quart of beer. In Suffolk the afternoon refreshment of reapers is called bever. It is also an old English term.

“He is none of those same ordinary eaters, that will devour three breakfasts, and as many dinners, without any prejudice to their bevers , drinkings, or suppers.”—Beaumont and Fletcher's Woman Hater, i. 3.

Both words are probably from the Italianbevere, bereLatinbibereEnglishbeverage.