rhagarweiniol

== Welsh == === Etymology === From rhagarwain (“to introduce”) +‎ -iol. === Adjective === rhagarweiniol (feminine singular rhagarweiniol, plural rhagarweiniol, equative mor ragarweiniol, comparative mwy rhagarweiniol, superlative mwyaf rhagarweiniol) preliminary, introductory === Mutation === === Further reading === R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “rhagarweiniol”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies