hydreiddiol
Welsh
Etymology
From hydraidd (“penetrable, permeable”) + -iol or hy- (affirmative prefix) + treiddiol (“penetrating”).
Adjective
hydreiddiol (feminine singular hydreiddiol, plural hydreiddiol, equative mor hydreiddiol, comparative mwy hydreiddiol, superlative mwyaf hydreiddiol, not mutable)
- pervasive, penetrating
- Synonym: treiddgar
Mutation
Further reading
- D. G. Lewis, N. Lewis, editors (2005–present), “hydreiddiol”, in Gweiadur: the Welsh–English Dictionary, Gwerin
- R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke et al., editors (1950–present), “hydreiddiol”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies