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”).^[1]^[2]

Noun

deddf f (plural deddfau)

act, statute

Derived terms

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

Related terms

defod (“ceremony, ritual; custom”)

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.

References

^ Morris Jones, John (1913) A Welsh Grammar, Historical and Comparative, Oxford: Clarendon Press, § 104 iv 2
^ Matasović, Ranko (2009) “*dedmV-”, in Etymological Dictionary of Proto-Celtic (Leiden Indo-European Etymological Dictionary Series; 9), Leiden: Brill, →ISBN, page 93