Short form of Edelweiss, the name of a mountain flower, derived from the German edel, "noble" and weiß, "white". In Ireland this name is given in honour of Irish missionary Edel Quinn (1907-1944), who was made a Venerable in 1994. Her birth name was Edelweiss.
Short form of names that begin with or end in the element "Edel-" meaning "noble", for example Edeltraud, Edelgard. It has occasionally been used as a name in its own right.A notable namesake is the German prima ballerina Edel von Rothe (1925-2008).