The story
The movement was founded in the 1970s by "Raël" (Claude Vorilhon). Hence, Raël + -ism. Raël derives from Israel.
Etymology from Wiktionary, CC BY-SA 4.0.
Raëlism
Today it means: A UFO religion with liberal sexual views, holding that all life on Earth was created in scientific laboratories by extraterrestrials. Full definition →