From Middle Welsh deifyaw, from Proto-Brythonic *dėβjɨd (compare Cornish dewi, Breton deviñ) for which Matasović provides two etymologies:
By surface analysis, daif + -io.
deifio (first-person singular present deifiaf)
singular | plural | impersonal | ||||||
---|---|---|---|---|---|---|---|---|
first | second | third | first | second | third | |||
present indicative/future | deifiaf | deifi | daif, deifia | deifiwn | deifiwch | deifiant | deifir | |
imperfect (indicative/subjunctive)/conditional | deifiwn | deifit | deifiai | deifiem | deifiech | deifient | deifid | |
preterite | deifiais | deifiaist | deifiodd | deifiasom | deifiasoch | deifiasant | deifiwyd | |
pluperfect | deifiaswn | deifiasit | deifiasai | deifiasem | deifiasech | deifiasent | deifiasid, deifiesid | |
present subjunctive | deifiwyf | deifiech | deifio | deifiom | deifioch | deifiont | deifier | |
imperative | — | daif, deifia | deified | deifiwn | deifiwch | deifient | deifier | |
verbal noun | deifio | |||||||
verbal adjectives | deifiedig deifiadwy |
Inflected colloquial forms | singular | plural | ||||
---|---|---|---|---|---|---|
first | second | third | first | second | third | |
future | deifia i, deifiaf i | deifi di | deifith o/e/hi, deififf e/hi | deifiwn ni | deifiwch chi | deifian nhw |
conditional | deifiwn i, deifswn i | deifiet ti, deifset ti | deifiai fo/fe/hi, deifsai fo/fe/hi | deifien ni, deifsen ni | deifiech chi, deifsech chi | deifien nhw, deifsen nhw |
preterite | deifiais i, deifies i | deifiaist ti, deifiest ti | deifiodd o/e/hi | deifion ni | deifioch chi | deifion nhw |
imperative | — | deifia | — | — | deifiwch | — |
Note: All other forms are periphrastic, as usual in colloquial Welsh. |
deifio (first-person singular present deifiaf)
radical | soft | nasal | aspirate |
---|---|---|---|
deifio | ddeifio | neifio | unchanged |
Note: Certain mutated forms of some words can never occur in standard Welsh.
All possible mutated forms are displayed for convenience.