屋上架屋 おくじょうかおく Meanings Noun gilding the lily; adding redundant things See also: 屋上屋を架す (おくじょうおくをかす). Kanji 屋 shop. Read as オク. 上 up. Read as ジョウ. 架 frame Word lists Yojijukugo (四字熟語) Jinuma: Japanese Dictionary · Word lists