障しょう子じの腰こし

noun

lower part of a shoji; base panel of a paper sliding door

Refers specifically to the solid lower section of a shoji screen, often made of wood, below the lattice and paper area.

• 古ふるい家いえの障しょう子じの腰こしには、傷きずがたくさんついていた。

  The lower part of the shoji in the old house had many scratches.