The meaning of oyasumi (and the meaning of oyasuminasai) is deceptively simple The general meaning of the japanese expression “oyasumi” (おやすみ) is “goodnight” It is used as a “goodbye” to friends before going to bed or when someone is leaving to go home late at night. Beginning with the common way to say good night in japanese, おやすみ (oyasumi), it’s important to understand that it actually originates from the japanese verb “ yasumu (休む)” which has multiple meanings. “oyasumi” (おやすみ) is a casual japanese phrase used to say “good night.” derived from the formal expression “oyasuminasai” (おやすみなさい), it conveys a warm, relaxed tone often used among family members, friends, or close acquaintances. Oyasumi (おやすみ) is the standard japanese expression for “goodnight.” it comes from the verb yasumu (休む), which has multiple meanings including to rest, to sleep, to take a break, or to be absent
The “o” prefix (お) makes the word more polite, a common feature in japanese honorific language.
WATCH