Adelle

Adelle is an English feminine name functioning as a variant of Adele, which derives from the Old High German element adal, meaning noble. The name entered medieval Europe through Germanic traditions and was widely used among Frankish and Norman nobility. Adela, the Latinized form, was borne by a daughter of William the Conqueror, helping to establish the name's prestige in England. Related forms include Adela, Adele, Adelia, and Adelaide.