 Adherents call themselves "Hetans" ("Hetanos" հեթանոս, the Old Armenian biblical term loaned from Greek ἐθνικός "gentile").The movement traces its origins back to the work of the early-20th-century political philosopher and revolutionary Garegin Nzhdeh and his doctrine of "tseghakron" (rejuvenation through national religion).In 1991, it was institutionalized by the armenologist Slak Kakosyan into the "Order of the Children of Ari" ("Arordineri Ukht").