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)

1. pervasive, penetrating

   Synonym: treiddgar

Mutation

Mutated forms of hydreiddiol

radical	soft	nasal	aspirate
hydreiddiol	unchanged	unchanged	unchanged

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