妻さい妾しょう

noun

wife and mistress(es)

Refers to a man's wife and his mistress(es) collectively. Often used in historical or literary contexts discussing polygamous or extramarital relationships.

• 彼かれは妻さい妾しょうを同おなじ屋や敷しきに住すまわせていたという。

  He is said to have kept his wife and mistress under the same roof.