(mythology, Shinto, Japanese mythology) the kami of the mountains, brother of Amaterasu, Tsukuyomi, and Susanoo

myth; mythology (divine story) / myth (baselessly absolutized concept)

only; quite / one / single

existence / being; entity

exist

important, significant

importance, consequence, significance

great mountain

inside

中々: very, quite, considerably, rather, by no means (with negative verb)