鴨居
か
も
い
Meanings
1
lintel; upper door frame
In Japanese architecture, specifically the horizontal beam at the top of a sliding door frame, often grooved to guide sliding doors (fusuma or shoji). Contrasts with 敷居 (threshold/sill).
See also: 敷居
Dust has accumulated on the lintel.
This lintel is old, and the sliding door doesn't slide smoothly.