Welsh edit

Etymology edit

llythyr (letter) +‎ (house)

Noun edit

llythyrdy m (plural llythyrtai)

  1. post office
    Synonym: swyddfa bost

Mutation edit

Welsh mutation
radical soft nasal aspirate
llythyrdy lythyrdy unchanged unchanged
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.

Further reading edit

  • R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke et al., editors (1950–present), “llythyrdy”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies