iseldir

== Welsh == === Etymology === isel +‎ tir === Pronunciation === IPA(key): /ɪˈsɛldɪr/ === Noun === iseldir m (plural iseldiroedd) lowland ==== Antonyms ==== ucheldir ==== Derived terms ==== yr Iseldiroedd (“The Netherlands”) === Mutation === === Further reading === R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “iseldir”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies