tystiolaethu

Welsh

Etymology

From tystiolaeth (“evidence, proof; testimony”) +‎ -u.

Pronunciation

• (North Wales) IPA^(key): /təsdjɔˈlaːɨ̯θɨ̞/, /təsdjɔˈleɨ̯θɨ̞/
• (South Wales) IPA^(key): /təsdjɔˈlai̯θɪ/, /təsdjɔˈlei̯θɪ/

Verb

tystiolaethu (first-person singular present tystiolaethaf)

1. to testify, to bear witness

   Synonym: tystio

Conjugation

Conjugation (literary)

	singular			plural			impersonal
	first	second	third	first	second	third
present indicative/future	tystiolaethaf	tystiolaethi	tystiolaetha	tystiolaethwn	tystiolaethwch	tystiolaethant	tystiolaethir
imperfect (indicative/subjunctive)/ conditional	tystiolaethwn	tystiolaethit	tystiolaethai	tystiolaethem	tystiolaethech	tystiolaethent	tystiolaethid
preterite	tystiolaethais	tystiolaethaist	tystiolaethodd	tystiolaethasom	tystiolaethasoch	tystiolaethasant	tystiolaethwyd
pluperfect	tystiolaethaswn	tystiolaethasit	tystiolaethasai	tystiolaethasem	tystiolaethasech	tystiolaethasent	tystiolaethasid, tystiolaethesid
present subjunctive	tystiolaethwyf	tystiolaethych	tystiolaetho	tystiolaethom	tystiolaethoch	tystiolaethont	tystiolaether
imperative	—	tystiolaetha	tystiolaethed	tystiolaethwn	tystiolaethwch	tystiolaethent	tystiolaether
verbal noun	tystiolaethu
verbal adjectives	tystiolaethedig tystiolaethadwy

Conjugation (colloquial)

Inflected colloquial forms	singular			plural
	first	second	third	first	second	third
future	tystiolaetha i, tystiolaethaf i	tystiolaethi di	tystiolaethith o/e/hi, tystiolaethiff e/hi	tystiolaethwn ni	tystiolaethwch chi	tystiolaethan nhw
conditional	tystiolaethwn i, tystiolaethswn i	tystiolaethet ti, tystiolaethset ti	tystiolaethai fo/fe/hi, tystiolaethsai fo/fe/hi	tystiolaethen ni, tystiolaethsen ni	tystiolaethech chi, tystiolaethsech chi	tystiolaethen nhw, tystiolaethsen nhw
preterite	tystiolaethais i, tystiolaethes i	tystiolaethaist ti, tystiolaethest ti	tystiolaethodd o/e/hi	tystiolaethon ni	tystiolaethoch chi	tystiolaethon nhw
imperative	—	tystiolaetha	—	—	tystiolaethwch	—
Note: All other forms are periphrastic, as usual in colloquial Welsh.

Mutation

Mutated forms of tystiolaethu

radical	soft	nasal	aspirate
tystiolaethu	dystiolaethu	nhystiolaethu	thystiolaethu

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

Further reading

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