三さん幅ぷく対つい

noun

set of three; triptych

Refers to a set of three matching items, especially in art or decorative contexts such as a triptych of paintings or a set of three hanging scrolls.

• 床とこの間まに三さん幅ぷく対ついの掛かけ軸じくが飾かざってある。

  A set of three hanging scrolls is displayed in the alcove.