trewyn
Welsh
Etymology 1
Back-formation from athrywynu and ethrywynu (“to reconcile”).
Verb
trewyn (first-person singular present trewynaf)
- alternative form of trewynu (“to arbitrate, to mediate”)
Further reading
- R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke et al., editors (1950–present), “trewyn”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies
Etymology 2
Nominalisation of etymology 1, a calque of English loosestrife, from Ancient Greek λυσιμάχειον (lusimákheion), as if from λύσις (lúsis, “loosening”) + μάχη (mákhē, “battle, strife”).
Noun
trewyn m (collective, singulative trewynyn)
- loosestrife (Lysimachia)
- especially yellow loosestrife (Lysimachia vulgaris)
- Synonyms: milwyr melynion, llysiau'r milwyr melynion
- yellow pimpernel (Lysimachia nemorum)
- Synonym: gwlydd melyn Mair
- especially yellow loosestrife (Lysimachia vulgaris)
Derived terms
- trewyn ymlusgaidd (“creeping jenny”)
Further reading
- Cymdeithas Edward Llwyd (2016) “Y Bywiadur”, in Llên natur[1], retrieved 25 May 2025
- D. G. Lewis, N. Lewis, editors (2005–present), “trewyn”, in Gweiadur: the Welsh–English Dictionary, Gwerin
- R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke et al., editors (1950–present), “trewynyn”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies