Bahasa Jepangnya “penyucian besar”

penyucian besar; ritual penyucian dua kali setahun, sebelum Daijōsai dan setelah bencana besar

great purification; purification rite performed twice a year, before daijōsai and after major disasters

upacara penyucian besar

grand purification ceremony (so-called because it was overseen by the Nakatomi family)