Ikihagi' is a sense of sin, a concept in Shinto, and one of "amatsu-tsumi " (heavenly sins) appeared in Oharae no kotoba, one of 'Norito' (Shinto prayers) collected in the eighth volume of "the Engishiki" (an ancient book for codes and procedures on national rites and prayers)
生剥（いきはぎ）は神道における罪の観念で、『延喜式』巻八「祝詞」に収録される大祓詞に登場する天つ罪のひとつである。