From hy- + toddi (“to melt”).
hydoddi (first-person singular present hydoddaf, not mutable)
The word hydoddi is used in technical language. In less technical contexts, toddi is often preferred.
| singular | plural | impersonal | ||||||
|---|---|---|---|---|---|---|---|---|
| first | second | third | first | second | third | |||
| present indicative/future | hydoddaf | hydoddi | hydawdd, hydodda | hydoddwn | hydoddwch | hydoddant | hydoddir | |
| imperfect (indicative/subjunctive)/ conditional |
hydoddwn | hydoddit | hydoddai | hydoddem | hydoddech | hydoddent | hydoddid | |
| preterite | hydoddais | hydoddaist | hydoddodd | hydoddasom | hydoddasoch | hydoddasant | hydoddwyd | |
| pluperfect | hydoddaswn | hydoddasit | hydoddasai | hydoddasem | hydoddasech | hydoddasent | hydoddasid, hydoddesid | |
| present subjunctive | hydoddwyf | hydoddych | hydoddo | hydoddom | hydoddoch | hydoddont | hydodder | |
| imperative | — | hydodda | hydodded | hydoddwn | hydoddwch | hydoddent | hydodder | |
| verbal noun | hydoddi | |||||||
| verbal adjectives | hydoddedig hydoddadwy | |||||||
| Inflected colloquial forms | singular | plural | ||||
|---|---|---|---|---|---|---|
| first | second | third | first | second | third | |
| future | hydodda i, hydoddaf i | hydoddi di | hydoddith o/e/hi, hydoddiff e/hi | hydoddwn ni | hydoddwch chi | hydoddan nhw |
| conditional | hydoddwn i, hydoddswn i | hydoddet ti, hydoddset ti | hydoddai fo/fe/hi, hydoddsai fo/fe/hi | hydodden ni, hydoddsen ni | hydoddech chi, hydoddsech chi | hydodden nhw, hydoddsen nhw |
| preterite | hydoddais i, hydoddes i | hydoddaist ti, hydoddest ti | hydoddodd o/e/hi | hydoddon ni | hydoddoch chi | hydoddon nhw |
| imperative | — | hydodda | — | — | hydoddwch | — |
| Note: All other forms are periphrastic, as usual in colloquial Welsh. | ||||||