difetha

Welsh

di- +‎ medd (“authority, possession”) +‎ -ha^[1]

difetha (first-person singular present difethaf)

Conjugation (literary)

	singular			plural			impersonal
	first	second	third	first	second	third	impersonal
present indicative/future	difethaf	difethi	difetha	difethwn	difethwch	difethant	difethir
imperfect (indicative/subjunctive)/ conditional	difethwn	difethit	difethai	difethem	difethech	difethent	difethid
preterite	difethais	difethaist	difethodd	difethasom	difethasoch	difethasant	difethwyd
pluperfect	difethaswn	difethasit	difethasai	difethasem	difethasech	difethasent	difethasid, difethesid
present subjunctive	difethwyf	difethych	difetho	difethom	difethoch	difethont	difether
imperative	—	difetha	difethed	difethwn	difethwch	difethent	difether
verbal noun	difetha
verbal adjectives	difethedig difethadwy

Conjugation (colloquial)

Inflected colloquial forms	singular			plural
Inflected colloquial forms	first	second	third	first	second	third
future	difetha i, difethaf i	difethi di	difethith o/e/hi, difethiff e/hi	difethwn ni	difethwch chi	difethan nhw
conditional	difethwn i, difethswn i	difethet ti, difethset ti	difethai fo/fe/hi, difethsai fo/fe/hi	difethen ni, difethsen ni	difethech chi, difethsech chi	difethen nhw, difethsen nhw
preterite	difethais i, difethes i	difethaist ti, difethest ti	difethodd o/e/hi	difethon ni	difethoch chi	difethon nhw
imperative	—	difetha	—	—	difethwch	—
Note: All other forms are periphrastic, as usual in colloquial Welsh.

Welsh mutation
radical	soft	nasal	aspirate
difetha	ddifetha	nifetha	unchanged
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.

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