amddiffyn

Welsh

am- +‎ diffyn, from Vulgar Latin *dīfendō, from Latin dēfendō (“defend”).

amddiffyn (first-person singular present amddiffynnaf)

Conjugation (literary)

	singular			plural			impersonal
	first	second	third	first	second	third	impersonal
present indicative/future	amddiffynnaf	amddiffynni	amddiffyn, amddiffynna	amddiffynnwn	amddiffynnwch	amddiffynnant	amddiffynnir
imperfect (indicative/subjunctive)/ conditional	amddiffynnwn	amddiffynnit	amddiffynnai	amddiffynnem	amddiffynnech	amddiffynnent	amddiffynnid
preterite	amddiffynnais	amddiffynnaist	amddiffynnodd	amddiffynasom	amddiffynasoch	amddiffynasant	amddiffynnwyd
pluperfect	amddiffynaswn	amddiffynasit	amddiffynasai	amddiffynasem	amddiffynasech	amddiffynasent	amddiffynasid, amddiffynesid
present subjunctive	amddiffynnwyf	amddiffynnych	amddiffynno	amddiffynnom	amddiffynnoch	amddiffynnont	amddiffynner
imperative	—	amddiffynna	amddiffynned	amddiffynnwn	amddiffynnwch	amddiffynnent	amddiffynner
verbal noun	amddiffyn
verbal adjectives	amddiffynedig amddiffynadwy

Welsh mutation
radical	soft	nasal	h-prothesis
amddiffyn	unchanged	unchanged	hamddiffyn
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.