暗经 Traditional form: 暗經 Pinyin (reading): ànjīng Definitions: latent menstruation (TCM) Characters: 暗 - dark, gloomy; obscure; secret, covert 经 - the classics; to experience, to undergo Traditional characters: 暗 - dark, gloomy; obscure; secret, covert 經 - the classics; to experience, to undergo