側そば女にょう房ぼうMeanings1nounmistress; concubinearchaicArchaic term for a woman in a secondary relationship to a man, often in a historical or feudal context. Not used in modern Japanese.江え戸ど時じ代だいの文ぶん献けんには「側そば女にょう房ぼう」という言こと葉ばが見みられる。The term 側女房 can be found in documents from the Edo period.
