Why this word is great
FUSUMA — [Noun] A vertical rectangular sliding panel, often painted or decorated, used in Japan as a door or movable wall. Borrowed from Japanese 襖 (fusuma). Unlike "byōbu" (a free-standing folding screen, rigid in its display) or "shōji" (translucent, filtering light like frosted breath on glass), fusuma are opaque, deliberate partitions—solid yet yielding. They are the whisper of wood gliding in its track, the sudden reveal of a painted heron mid-flight, the way a room can vanish behind a single gesture. A fusuma does not conceal so much as it transforms: one moment a wall, the next a passage, a canvas, a memory folded shut.