Active Voice
Indicative Present
| 1st sing. | swīþō |
| 2nd sing. | swīþizi |
| 3rd sing. | swīþidi |
| 1st dual | swīþōz |
| 2nd dual | swīþadiz |
| 1st plur. | swīþamaz |
| 2nd plur. | swīþid |
| 3rd plur. | swīþandi |
Indicative Past
| 1st sing. | swaiþ |
| 2nd sing. | swaist |
| 3rd sing. | swaiþ |
| 1st dual | swidū |
| 2nd dual | swidudiz |
| 1st plur. | swidum |
| 2nd plur. | swidud |
| 3rd plur. | swidun |
Subjunctive Present
| 1st sing. | swīþaų |
| 2nd sing. | swīþaiz |
| 3rd sing. | swīþai |
| 1st dual | swīþaiw |
| 2nd dual | swīþaidiz |
| 1st plur. | swīþaim |
| 2nd plur. | swīþaid |
| 3rd plur. | swīþain |
Subjunctive Past
| 1st sing. | swidį̄ |
| 2nd sing. | swidīz |
| 3rd sing. | swidī |
| 1st dual | swidīw |
| 2nd dual | swidīdiz |
| 1st plur. | swidīm |
| 2nd plur. | swidīd |
| 3rd plur. | swidīn |
Imperative
| 2nd sing. | swīþ |
| 3rd sing. | swīþadau |
| 2nd dual | swīþadiz |
| 2nd plur. | swīþid |
| 3rd plur. | swīþandau |
Passive Voice
Indicative
| 1st sing. | swīþai |
| 2nd sing. | swīþazai |
| 3rd sing. | swīþadai |
| 1st plur. | swīþandai |
| 2nd plur. | swīþandai |
| 3rd plur. | swīþandai |
Subjunctive
| 2nd sing. | swīþaizau |
| 3rd sing. | swīþaidau |
| 1st plur. | swīþaindau |
| 2nd plur. | swīþaindau |
| 3rd plur. | swīþaindau |
Participles
| Present | swīþandz |
| Past | swidanaz |
Etymology
Possibly from a Proto-Indo-European *swey- (“to burn”), which could be an extension of *sew- (“to braise”). Compare Avestan 𐬒𐬬𐬀𐬉𐬥𐬀 (x́vaēna, “red-hot, glowing”), from Proto-Indo-European *(H)swoy-no-.
Verbs referencing "swīþaną"
English
swidden, Faroese
svíða, Icelandic
svíða, Danish
svide, Swedish
svida.
Cognates
-