Since it was described as the first god to appear in Nihonshoki, as well as the first of the Kaminoyonanayo in Kojiki, it was valued among Shinto theorists as the source god, root god, and original god.
日本書紀では最初、古事記でも神代七代の一番目に現れた神とされることから、始源神・根源神・元神として神道理論家の間で重視されてきた。