floor-level cupboard; low built-in cabinet
A small cupboard or storage compartment built into the lower part of a wall, typically near the floor, often found in traditional Japanese architecture.
I keep the cushions in the floor-level cupboard of the Japanese-style room.
Compound of 地 (じ, 'ground, floor') and 袋 (ふくろ, 'bag, pouch'), referring to a storage space near the floor. The exact historical derivation is uncertain.