erch

== Welsh == === Etymology === From Middle Welsh erch (“salmon, perch”), from Proto-Celtic *ɸerkos (“speckled”), ultimately from Proto-Indo-European *perḱ- (“colored”). === Pronunciation === IPA(key): /ɛrχ/ === Adjective === erch (feminine singular erch, plural eirch, equative erched, comparative erchach, superlative erchaf) (obsolete) mottled, speckled Synonym: brith (obsolete) frightful, terrible, awful Synonyms: ofnadwy, erchyll, dychrynllyd, arswydus === Mutation === === References === Matasović, Ranko (2009), Etymological Dictionary of Proto-Celtic (Leiden Indo-European Etymological Dictionary Series; 9), Leiden: Brill, →ISBN, page 128 === Further reading === R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “erch”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies