effaith

Welsh

Etymology

Borrowed from Latin effectus (“effect”), as if via a Proto-Brythonic *efeiθ, but the word is not attested until the 16th century.

Pronunciation

• (North Wales, standard, colloquial) IPA^(key): /ˈɛfai̯θ/
  • (South Wales, colloquial) IPA^(key): /ˈɛfɛθ/
• (South Wales, standard) IPA^(key): /ˈɛfai̯θ/
  • (South Wales, colloquial) IPA^(key): /ˈɛfɛθ/

Noun

effaith f (plural effeithiau)

1. effect

Derived terms

• effaith tŷ gwydr (“greenhouse effect”)
• effeithio (“to be effective; to affect”)
• effeithiol (“effective”)
• effeithlon (“efficient”)
• dieffaith (“ineffective”)

Mutation

Mutated forms of effaith

radical	soft	nasal	h-prothesis
effaith	unchanged	unchanged	heffaith

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

Further reading

• D. G. Lewis, N. Lewis, editors (2005–present), “effaith”, in Gweiadur: the Welsh–English Dictionary, Gwerin
• R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke et al., editors (1950–present), “effaith”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies