amseriadur

== Welsh == === Etymology === amseru (“to time”) +‎ -iadur === Pronunciation === (North Wales) IPA(key): /ˌamsɛrˈjadɨ̞r/ (South Wales) IPA(key): /ˌamsɛrˈjaːdɪr/, /ˌamsɛrˈjadɪr/ === Noun === amseriadur m (plural amseriaduron) pacemaker Synonym: rheoliadur chronometer Synonym: cronomedr === Mutation ===