隠かくし女おんな

noun

secret mistress; hidden lover

Archaic term for a woman kept secretly as a mistress or lover, often in historical or literary contexts.

• 江え戸ど時じ代だいの文ぶん献けんには、大だい名みょうの隠かくし女おんなについての記き述じゅつがある。

  In Edo-period documents, there are descriptions of a daimyo's secret mistress.