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Nyōbō kotoba (女房言葉 or 女房詞 lit. "woman's words") was a cant that was originally used by Japanese court ladies during the Muromachi era, and subsequently spread and came to be thought of as a general women's language. It consisted primarily of a special vocabulary of words for food, clothing, and other household items.
Some nyōbō kotoba words passed into general usage, and are today part of the standard Japanese language.