serthder
Welsh
Etymology
Pronunciation
Noun
serthder m (uncountable, not mutable)
- (obsolete) steepness
Synonyms
Further reading
- R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke et al., editors (1950–present), “serthder”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies