外がい妾しょう

noun

foreigner's mistress

Rare, possibly historical term for a mistress or concubine who is a foreigner. Not in common modern use.

• 古ふるい文ぶん献けんに「外がい妾しょう」という言こと葉ばが出でてくるが、現げん代だいではほとんど使つかわれない。

  The word 外妾 appears in old documents, but it is hardly used today.