erbiwm

== Welsh == === Etymology === Borrowed from English erbium, from Swedish Ytterby (literally “outer village”), a town in Sweden. Doublet of terbiwm, yterbiwm, and ytriwm. === Pronunciation === IPA(key): /ˈɛrbjʊm/ Rhymes: -ɛrbjʊm === Noun === erbiwm m (uncountable) erbium === Mutation ===