eroplen

== Welsh == === Etymology === From English aeroplane, from French aéroplane, from Ancient Greek ἀερόπλανος (aeróplanos, “wandering in air”). === Noun === eroplen f or m (plural eroplenau) airplane ==== Synonyms ==== awyren === Mutation === === Further reading === R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “eroplen”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies