arbelydru

Welsh

Etymology

ar (“on”) +‎ pelydru (“to radiate”)

Verb

arbelydru (first-person singular present arbelydraf)

1. to irradiate

Conjugation

Conjugation (literary)

	singular			plural			impersonal
	first	second	third	first	second	third
present indicative/future	arbelydraf	arbelydri	arbelydra	arbelydrwn	arbelydrwch	arbelydrant	arbelydrir
imperfect (indicative/subjunctive)/ conditional	arbelydrwn	arbelydrit	arbelydrai	arbelydrem	arbelydrech	arbelydrent	arbelydrid
preterite	arbelydrais	arbelydraist	arbelydrodd	arbelydrasom	arbelydrasoch	arbelydrasant	arbelydrwyd
pluperfect	arbelydraswn	arbelydrasit	arbelydrasai	arbelydrasem	arbelydrasech	arbelydrasent	arbelydrasid, arbelydresid
present subjunctive	arbelydrwyf	arbelydrych	arbelydro	arbelydrom	arbelydroch	arbelydront	arbelydrer
imperative	—	arbelydra	arbelydred	arbelydrwn	arbelydrwch	arbelydrent	arbelydrer
verbal noun	arbelydru
verbal adjectives	arbelydredig arbelydradwy

Conjugation (colloquial)

Inflected colloquial forms	singular			plural
	first	second	third	first	second	third
future	arbelydra i, arbelydraf i	arbelydri di	arbelydrith o/e/hi, arbelydriff e/hi	arbelydrwn ni	arbelydrwch chi	arbelydran nhw
conditional	arbelydrwn i, arbelydrswn i	arbelydret ti, arbelydrset ti	arbelydrai fo/fe/hi, arbelydrsai fo/fe/hi	arbelydren ni, arbelydrsen ni	arbelydrech chi, arbelydrsech chi	arbelydren nhw, arbelydrsen nhw
preterite	arbelydrais i, arbelydres i	arbelydraist ti, arbelydrest ti	arbelydrodd o/e/hi	arbelydron ni	arbelydroch chi	arbelydron nhw
imperative	—	arbelydra	—	—	arbelydrwch	—
Note: All other forms are periphrastic, as usual in colloquial Welsh.

Derived terms

• arbelydredig (“irradiated”)
• arbelydriad (“irradiation”)

Mutation

Mutated forms of arbelydru

radical	soft	nasal	h-prothesis
arbelydru	unchanged	unchanged	harbelydru

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

Further reading

• 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), “arbelydru”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies