dydd Sul y pys

Welsh

Etymology

Literally, the peas' Sunday.

Phrase

dydd Sul y pys

  1. (idiomatic) a cold day in hell, the Greek calends (a nonexistent time)

Derived terms

Further reading

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