Etymology of Wicca learned the term during his initiation into the New Forest coven in 1939. By the late 1950s, Gardner's rival Charles Cardell, founder of his own tradition, had begun referring to the religion's followers as "Wiccens", and possibly used "Wicca" in reference to the religion itself. The inclusive use of the term "Wicca"—referring to the entirety of Pagan Witchcraft religion—has been traced to Britain in the early 1960s, when it was used by various groups and publicised through use in adverts, magazines, and other literary sources. It was later adopted by figures like Alex Sanders and Gavin and Yvonne Frost, who
Celtic Wicca Wicca". Gavin Frost and Yvonne Frost of the Church and School of Wicca called their tradition "Celtic Wicca" and followers of this tradition identify as Celtic Wiccans. Additionally, numerous Eclectic Wiccan groups and individuals incorporate what they believe to be Celtic features and self-identify as Celtic Wiccans or Celtic Neopagans. Celtic Wicca can be seen as both a form of Wicca and a branch of Celtic Neopaganism. On the Neopagan continuum from eclectic to reconstructionist, Celtic Wicca is at the eclectic end: as non-historical as most forms of Neo-druidism, and contrasting firmly with Celtic Reconstructionism, which emphasizes cultural focus and