gwacáu

Welsh

Etymology

gwag (“empty”) +‎ -áu

Pronunciation

• (North Wales) IPA^(key): /ɡwaˈkaɨ̯/
• (South Wales) IPA^(key): /ɡwaˈkai̯/
• Rhymes: -aɨ̯

Verb

gwacáu (first-person singular present gwacâf)

1. to empty, to evacuate, to flush

   Synonym: gwagio

Usage notes

The verbnoun or dictionary form of a verb, such as this entry, is employed as a masculine singular noun in Welsh to express an uncountable verbal noun. The corresponding countable noun is usually derived morphologically from the related verb.

Conjugation

Conjugation (literary)

	singular			plural			impersonal
	first	second	third	first	second	third
present indicative/future	gwacâf	gwacei	gwacâ	gwacawn	gwacewch	gwacânt	gwaceir
imperfect (indicative/subjunctive)/conditional	gwacawn	gwacait	gwacâi	gwacaem	gwacaech	gwacaent	gwaceid
preterite	gwaceais	gwaceaist	gwacaodd	gwacasom	gwacasoch	gwacasant	gwacawyd
pluperfect	gwacaswn	gwacasit	gwacasai	gwacasem	gwacasech	gwacasent	gwacasid, gwacesid
present subjunctive	gwacawyf	gwaceych	gwacao	gwacaom	gwacaoch	gwacaont	gwacaer
imperative	—	gwacâ	gwacaed	gwacawn	gwacewch	gwacaent	gwacaer
verbal noun	gwacáu
verbal adjectives	gwacedig gwacadwy

Conjugation (colloquial)

Inflected colloquial forms	singular			plural
	first	second	third	first	second	third
future	gwacâ i	gwacai di	gwacaith o/e/hi, gwacaiff e/hi	gwacawn ni	gwacawch chi	gwacân nhw
conditional	gwacawn i, gwacaswn i	gwacaet ti, gwacaset ti	gwacâi fo/fe/hi, gwacasai fo/fe/hi	gwacaen ni, gwacasen ni	gwacaech chi, gwacasech chi	gwacaen nhw, gwacasen nhw
preterite	gwacaes i	gwacaest ti	gwacaodd o/e/hi	gwacaon ni	gwacaoch chi	gwacaon nhw
imperative	—	gwacâ	—	—	gwacawch	—
Note: All other forms are periphrastic, as usual in colloquial Welsh.

Derived terms

• gwacâd (“evacuation”)

Further reading

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