葦の髄から天井のぞくよしのずいからてんじょうのぞく Expression Godan English jmdict 1 expressions (phrases Godan verb with 'ku' ending to have a narrow view of things;to look at the ceiling through a reed
髄ずい Noun English jmdict 1 noun (common) (futsuumeishi) botany medulla;pith 2 noun (common) (futsuumeishi) anatomy marrow