Guenevere is a variant of the name Guinevere, which is of Welsh origin. The name Guinevere is derived from the Welsh name Gwenhwyfar, meaning 'white shadow' or 'white fairy'. In Arthurian legend, Guinevere is the queen of Great Britain and the wife of King Arthur. The name has been associated with various interpretations of her character, ranging from a noble and virtuous lady to a flawed and tragic figure due to her infamous affair with Lancelot.