rare earth element, named by French chemist Lecoq de Boisbaudran in 1886, from holmia "holmium oxide," name of an earth identified and named in Modern Latin by the earth's discoverer, Swedish chemist Per Teodor Cleve, in 1879 from Holmia, Latin name of Stockholm. With metallic element ending -ium. Holmia was isolated from erbia, the Scandinavian earth which also yielded thulium, scandium, and ytterbium.