Morpheme
-ium
Type
suffix
Denotation
(1) chemical suffix naming metal elements, isotopes of hydrogen, polyatomic cations; (2) denotes a structure, category, place (plural -ia)
Etymology
(1) Latin -ium, from -ius; Old Latin -iōs; (2) Latin -ium; Ancient Greek -ion
Evidence
aquarium, brevium, borium, cadmium, calcium, chromium, consortium, delirium, emporium, equilibrium, fermium, gymnasium, helium, lithium, melodium, mortichnium, polemonium, plutonium, proscenium, reptilium, selenium, stadium, stomium, strangeonium, thorium, uranium, yttrium
