deddf

Welsh

Etymology

From Proto-Celtic *dedmi-, from Proto-Indo-European *dʰh₁-dʰmó-s, from *dʰeh₁- (“to do, put, place”). Cognate with Ancient Greek θεσμός (thesmós, “law, ordinance”).

Noun

deddf f (plural deddfau)

1. law, act, statute
2. (mathematics, sciences) law

   deddf disgyrchedd cyffredinol ― the law of universal gravitation

Usage notes

This term means "law" in the sense of an ordinance or statute. For the sense of "law" as a legal system, the word cyfraith is used.

Derived terms

• • cynneddf (“attribute, quality; faculty”)
  • dccc
  • deddf a threfn (“law and order”)
  • deddfeg (“jurisprudence”)
  • deddflyfr (“statute book”)
  • deddfol (“legal, lawful”)
  • deddfu (“to legislate”)
  • deddfwr (“legislator”)
  • dsc
  • is-ddeddf (“by-law”)

Related terms

• defod (“ceremony, ritual; custom”)
• damcaniaeth (“theory”)
• rhagdybiaeth (“hypothesis”)

Mutation

Mutated forms of deddf

radical	soft	nasal	aspirate
deddf	ddeddf	neddf	unchanged

Note: Certain mutated forms of some words can never occur in standard Welsh.
All possible mutated forms are displayed for convenience.

Further reading

• Griffiths, Bruce; Glyn Jones, Dafydd (1995), “law”, in Geiriadur yr Academi: The Welsh Academy English–Welsh Dictionary‎^[1], Cardiff: University of Wales Press, →ISBN
• D. G. Lewis, N. Lewis, editors (2005–present), “deddf”, in Gweiadur: the Welsh–English Dictionary, Gwerin