actifedd

Welsh

Etymology

Adapted from English activity +‎ -edd.

Noun

actifedd m (plural actifeddau)

1. (especially sciences) activity

Mutation

Welsh mutation
radical	soft	nasal	h-prothesis
actifedd	unchanged	unchanged	hactifedd
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.

References

• Delyth Prys, J.P.M. Jones, Owain Davies, Gruffudd Prys (2006) Y Termiadur: termau wedi'u safoni; standardised terminology‎^[1] (in Welsh), Cardiff: Awdurdod cymwysterau, cwricwlwm ac asesu Cymru (Qualifications curriculum & assessment authority for Wales), →ISBN
• R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke et al., editors (1950–present), “actifedd”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies