mood

tone; hue

dark (dark in color) / dark, shady (secret)

darkness in color / darkness, secrecy, obscurity

to relax, calm down / to settle

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

Synonym of 暗黒物質 (ankoku busshitsu, “dark matter”)

(Internet slang) dirty room

at-home clothes

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