nerthol

== Welsh == === Etymology === From nerth (“strength”) +‎ -ol. === Adjective === nerthol (feminine singular nerthol, plural nerthol, equative mor nerthol, comparative mwy nerthol, superlative mwyaf nerthol, not mutable) strong, powerful Synonyms: cryf, grymus, galluog, pwerus Antonyms: dinerth, di-rym strengthening Synonym: cryfhaol wonderful Synonym: rhyfeddol === Mutation === === Further reading === D. G. Lewis, N. Lewis, editors (2005–present), “nerthol”, in Gweiadur: the Welsh–English Dictionary, Gwerin Delyth Prys; J.P.M. Jones; Owain Davies; Gruffudd Prys (2006), Y Termiadur: termau wedi'u safoni; standardised terminology‎[1] (in Welsh), Cardiff: Awdurdod cymwysterau, cwricwlwm ac asesu Cymru (Qualifications curriculum & assessment authority for Wales), →ISBN R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “nerthol”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies