treiddio

Welsh

Etymology

From traidd (“penetration, piercing”) +‎ -io.

Pronunciation

IPA^(key): /ˈtreiðjɔ/

Verb

treiddio (first-person singular present treiddiaf)(transitive)

1. to penetrate, to pierce, to permeate

Conjugation

Conjugation (literary)

	singular			plural			impersonal
	first	second	third	first	second	third
present indicative/future	treiddiaf	treiddi	traidd, treiddia	treiddiwn	treiddiwch	treiddiant	treiddir
imperfect (indicative/subjunctive)/conditional	treiddiwn	treiddit	treiddiai	treiddiem	treiddiech	treiddient	treiddid
preterite	treiddiais	treiddiaist	treiddiodd	treiddiasom	treiddiasoch	treiddiasant	treiddiwyd
pluperfect	treiddiaswn	treiddiasit	treiddiasai	treiddiasem	treiddiasech	treiddiasent	treiddiasid, treiddiesid
present subjunctive	treiddiwyf	treiddiech	treiddio	treiddiom	treiddioch	treiddiont	treiddier
imperative	—	treiddia	treiddied	treiddiwn	treiddiwch	treiddient	treiddier
verbal noun	treiddio
verbal adjectives	treiddiedig treiddiadwy

Conjugation (colloquial)

inflected colloquial forms	singular			plural
	first	second	third	first	second	third
future	treiddia i, treiddiaf i	treiddi di	treiddith o/e/hi, treiddiff e/hi	treiddiwn ni	treiddiwch chi	treiddian nhw
conditional	treiddiwn i, treiddswn i	treiddiet ti, treiddset ti	treiddiai fo/fe/hi, treiddsai fo/fe/hi	treiddien ni, treiddsen ni	treiddiech chi, treiddsech chi	treiddien nhw, treiddsen nhw
preterite	treiddiais i, treiddies i	treiddiaist ti, treiddiest ti	treiddiodd o/e/hi	treiddion ni	treiddioch chi	treiddion nhw
imperative	—	treiddia	—	—	treiddiwch	—

Note: All other forms are periphrastic, as usual in colloquial Welsh.

Derived terms

• treiddiad m (“penetration”)

Related terms

• treiddgar (“penetrating”, adjective)
• treiddiol (“penetrating”, adjective)

Mutation

Mutated forms of treiddio

radical	soft	nasal	aspirate
treiddio	dreiddio	nhreiddio	threiddio

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