rhithganfyddiad

== Welsh == === Etymology === rhith (“illusion, ghost”) +‎ canfyddiad (“perception”) === Noun === rhithganfyddiad f (plural rhithganfyddiadau) illusion (false perception of reality) ==== See also ==== rhith === Mutation === === References === R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “rhithganfyddiad”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies