noun, feminine/e.ta.ʒɛʁ/plural: étagères
shelf (flat, rigid structure, fixed at right angles to a wall or forming a part of a cabinet, desk, etc., and used to support, store or display objects); piece of furniture equipped with shelves, such as a rack, a bookcase or a whatnot
Borrowed from Old Occitan estagiera (modern Occitan estatgiera).