"Hefe" means yeast, "Weizen" means wheat.
Hefeweizen is a top fermented, unfiltered, bottle conditioned wheat
beer with a noticeable yeast sediment and a cloudy appearance.
Wheat beers are also referred to as Weissbiers (white beers)
because before the invention of pale lagers and pale ales, most
beers were dark. Wheat beers were the exception
as the wheat content lightened the colour of the beer.