agerddlong

== Welsh == === Etymology === From agerdd (“steam”) +‎ llong (“ship”). === Pronunciation === IPA(key): /aˈɡɛrðlɔŋ/ === Noun === agerddlong f (plural agerddlongau) obsolete form of agerlong (“steamship, steamer”) === Mutation === === Further reading === R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “agerddlong”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies