rhiniog

== Welsh == === Etymology === Rebracketing of yr hiniog, from hin +‎ -iog, from hin (“side, edge, border”). === Pronunciation === IPA(key): /ˈr̥ɪnjɔɡ/ === Noun === rhiniog m (plural rhiniogau) threshold, doorstep Synonym: trothwy === Mutation === === Further reading === R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “rhiniog”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies