treiglad caled

Welsh

Noun

treiglad caled m (plural treigladau caled or treigladau caledion)

1. (linguistics, countable) hard mutation, provection, fortition

Notes

The hard mutation is common as an initial mutation in Cornish and Breton, but only occurs word-internally in Welsh, as in:

• Old English bedhūs (“bedehouse”) → betws (“chapel”)
• defaid (“sheep (pl.)”), tŷ (“house,

dwelling”) → defeity (“sheepfold”)

• pob (“every”) + peth (“thing”) → popeth (“everything”)
• pobi (“to bake”) + tŷ (“house,

dwelling”) → popty (“oven”)

• teg (“fair”) + -ach (“-er”) → tecach (“fairer”)

Related terms

• treiglad llaes (“aspirate mutation”)
• treiglad meddal (“soft mutation”)
• treiglad trwynol (“nasal mutation”)
• treiglo (“to mutate”)

Mutation

Mutated forms of treiglad caled

radical	soft	nasal	aspirate
treiglad caled	dreiglad caled	nhreiglad caled	threiglad caled

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

References

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