perffeithio

Welsh

Etymology

perffaith (“perfect”) +‎ -io.

Verb

perffeithio (first-person singular present perffeithiaf)

1. to perfect

   Synonyms: coethi, cywreinio, caboli

Conjugation

Conjugation (literary)

	singular			plural			impersonal
	first	second	third	first	second	third
present indicative/future	perffeithiaf	perffeithi	perffeithi, perffeithia	perffeithiwn	perffeithiwch	perffeithiant	perffeithir
imperfect (indicative/subjunctive)/conditional	perffeithiwn	perffeithit	perffeithiai	perffeithiem	perffeithiech	perffeithient	perffeithid
preterite	perffeithiais	perffeithiaist	perffeithiodd	perffeithiasom	perffeithiasoch	perffeithiasant	perffeithiwyd
pluperfect	perffeithiaswn	perffeithiasit	perffeithiasai	perffeithiasem	perffeithiasech	perffeithiasent	perffeithiasid, perffeithiesid
present subjunctive	perffeithiwyf	perffeithiech	perffeithio	perffeithiom	perffeithioch	perffeithiont	perffeithier
imperative	—	perffeithi, perffeithia	perffeithied	perffeithiwn	perffeithiwch	perffeithient	perffeithier
verbal noun	perffeithio
verbal adjectives	perffeithiedig perffeithiadwy

Conjugation (colloquial)

Inflected colloquial forms	singular			plural
	first	second	third	first	second	third
future	perffeithia i, perffeithiaf i	perffeithi di	perffeithith o/e/hi, perffeithiff e/hi	perffeithiwn ni	perffeithiwch chi	perffeithian nhw
conditional	perffeithiwn i, perffeithswn i	perffeithiet ti, perffeithset ti	perffeithiai fo/fe/hi, perffeithsai fo/fe/hi	perffeithien ni, perffeithsen ni	perffeithiech chi, perffeithsech chi	perffeithien nhw, perffeithsen nhw
preterite	perffeithiais i, perffeithies i	perffeithiaist ti, perffeithiest ti	perffeithiodd o/e/hi	perffeithion ni	perffeithioch chi	perffeithion nhw
imperative	—	perffeithia	—	—	perffeithiwch	—
Note: All other forms are periphrastic, as usual in colloquial Welsh.

Mutation

Mutated forms of perffeithio

radical	soft	nasal	aspirate
perffeithio	berffeithio	mherffeithio	pherffeithio

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