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Definition 2025

cefn

cefn

Welsh

Noun

cefn m (plural cefnau or cefnoedd)

back, rear; (figuratively) support, second; body as needing clothing, etc.
support, ridge; butt of ploughed land between two parallel furrows; opening furrows of such a butt; (biblical) furlong; vertical fissure or fault in a rock
1. garden bed
middle, centre

Derived terms

Terms derived from cefn

ar gefn ‎(“in addition to, as a consequence of, with regard to; at the expense of; on top, upon, up to”)
cefn cynhaeaf ‎(“mid-harvest; prime of life”)
cefn dydd; cefn dydd golau ‎(“midday, broad daylight”)
cefn dyn ‎(“successful man, man of substance”)
cefn esgid ‎(“uppers”) (of a boot)

cefn gefn, cefngefn ‎(“back to back, addorsed; at variance”)
cefn gweilgi ‎(“mid-ocean”)
cefn gwlad ‎(“mid-country, heart of the countryside”)
cefn llaw ‎(“back of the hand; back-hander”)
cefn lloer ‎(“full moon; crescent of the moon, half moon”)

cefn nos, cefn y nos ‎(“midnight, dead of night”)
cefn troed ‎(“instep”)
cefn y drin ‎(“rearguard”)
wrth gefn ‎(“in reserve; following, in support”)
yng nghefn ‎(“behind one's back, underhand; following, pursuing”)

Mutation

Welsh mutation
radical	soft	nasal	aspirate
cefn	gefn	nghefn	chefn
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.

References

“cefn” in Geiriadur Prifysgol Cymru.