asideiddio

Welsh

From asid (“acid”) +‎ -eiddio or asidaidd (“acidic”) +‎ -io.^[1]

asideiddio (first-person singular present asideiddiaf)

Conjugation (literary)

	singular			plural			impersonal
	first	second	third	first	second	third	impersonal
present indicative/future	asideiddiaf	asideiddi	asideiddia	asideiddiwn	asideiddiwch	asideiddiant	asideiddir
imperfect (indicative/subjunctive)/conditional	asideiddiwn	asideiddit	asideiddiai	asideiddiem	asideiddiech	asideiddient	asideiddid
preterite	asideiddiais	asideiddiaist	asideiddiodd	asideiddiasom	asideiddiasoch	asideiddiasant	asideiddiwyd
pluperfect	asideiddiaswn	asideiddiasit	asideiddiasai	asideiddiasem	asideiddiasech	asideiddiasent	asideiddiasid, asideiddiesid
present subjunctive	asideiddiwyf	asideiddiech	asideiddio	asideiddiom	asideiddioch	asideiddiont	asideiddier
imperative	—	asideiddia	asideiddied	asideiddiwn	asideiddiwch	asideiddient	asideiddier
verbal noun	asideiddio
verbal adjectives	asideiddiedig, asideiddedig asideiddiadwy, asideiddadwy

Conjugation (colloquial)

Inflected colloquial forms	singular			plural
Inflected colloquial forms	first	second	third	first	second	third
future	asideiddia i, asideiddiaf i	asideiddi di	asideiddith o/e/hi, asideiddiff e/hi	asideiddiwn ni	asideiddiwch chi	asideiddian nhw
conditional	asideiddiwn i, asideiddswn i	asideiddiet ti, asideiddset ti	asideiddiai fo/fe/hi, asideiddsai fo/fe/hi	asideiddien ni, asideiddsen ni	asideiddiech chi, asideiddsech chi	asideiddien nhw, asideiddsen nhw
preterite	asideiddiais i, asideiddies i	asideiddiaist ti, asideiddiest ti	asideiddiodd o/e/hi	asideiddion ni	asideiddioch chi	asideiddion nhw
imperative	—	asideiddia	—	—	asideiddiwch	—
Note: All other forms are periphrastic, as usual in colloquial Welsh.

Mutated forms of *asideiddio*
radical	soft	nasal	h-prothesis
asideiddio	unchanged	unchanged	hasideiddio

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

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