The term 'ROOM HAREM' is a combination of two words, 'ROOM' and 'HAREM'. ROOM refers to a space within a building or house, while HAREM is a term used to describe the living quarters of women in some Islamic cultures. The crossword solution for this term is ODA, which stands for Ottoman Divan Architecture. This type of architecture was popular in the Ottoman Empire and featured a large central ROOM surrounded by smaller rooms, often used as living quarters for women.