As a part of the series on female deities and demons in the Indo-European culture, the article begins by establishing Helen’s divine character in the Greek tradition and religion. The first area where the Indo-European character of Helen is displayed concerns the etymology of her name, which has been the subject of discussion and controversy throughout several decades. The most prominent theories are presented, including the concept of Pokorny and West to explain her name as ‘Lady of Light’ from the Proto-Indo-European root *swel- or *swelh1-, the idea of Skutsch to connect Helen with Vedic Saṛanyū, the etymology by Clader relying on the local Greek ritual practices and finally the new etymology provided by Pinault explaining the name as ...