aelodiaeth

== Welsh == === Etymology === aelod +‎ -iaeth === Noun === aelodiaeth f or m (plural aelodiaethau) alternative form of aelodaeth === Mutation === === Further reading === R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “aelodiaeth”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies