he relished a glass of choice old wine in season as both nourishing and bloodmaking and possessing aperient virtues (notably a good burgundy which he was a staunch believer in).
To staunch the flow of something means to stop it. The government claims this is the only way to staunch the annual flow to Germany of hundreds of thousands of refugees
To staunch a wound, or to staunch the blood from a wound, means to stop the wound from bleeding. Tom tried to staunch the blood with his handkerchief. Variant of staunch. giving strong loyal support to another person, organization, belief etc = steadfast (estanche, from estancher; STAUNCH). stanch to stop the flow of liquid, especially of blood from a wound
A staunch supporter or believer is very loyal to a person, organization, or set of beliefs, and supports them strongly. He's a staunch supporter of controls on government spending. = steadfast + staunchly staunch·ly He was staunchly opposed to a public confession