Sul y pys

Welsh

Etymology

Literally, Sunday of the peas.

Noun

Sul y pys m (plural Suliau'r pys, not mutable)

  1. the first of never, the Greek calends (a nonexistent date)

Further reading

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