purification; cleansing

to purify; to cleanse

room (of a house or hotel), chamber, apartment, flat / (sumo) a stable where rikishi live and train together under a shisho oyakata (stable master)

needed, necessary

need, necessity

(Internet slang) dirty room

at-home clothes

necessary evil

an adult son residing with his parents; generally has not yet or can not come into family inheritance / a female servant working in a daimyō, ōoku, or other high-ranking house

necessity (quality or state of being necessary, unavoidable, or absolutely requisite)