添そい臥ぶし

noun, noun or participle which takes 'suru'

sleeping together; lying down together

Archaic or literary term for sleeping together, often with a romantic or intimate connotation. Rare in modern usage; typically encountered in classical literature or poetry.

• 古ふるい和わ歌かに「添そい臥ぶし」という言こと葉ばが使つかわれている。

  The word 'soibushi' is used in an old waka poem.

• 物もの語がたりの中なかで、二人ふたりは添そい臥ぶしをしたと記しるされている。

  In the tale, it is recorded that the two slept together.