Active Voice
Present
| 1st sing. | sísdoh₂ |
| 2nd sing. | sísdesi |
| 3rd sing. | sísdeti |
| 1st dual | sísdowos |
| 2nd dual | sísdetes |
| 3rd dual | sísdetes |
| 1st plur. | sísdomos |
| 2nd plur. | sísdete |
| 3rd plur. | sísdonti |
Past
Imperative
| 1st sing. | sísdom |
| 2nd sing. | sísdes |
| 3rd sing. | sísdet |
| 1st dual | sísdowe |
| 2nd dual | sísdetom |
| 3rd dual | sísdetām |
| 1st plur. | sísdome |
| 2nd plur. | sísdete |
| 3rd plur. | sísdont |
Subjunctive
| 2nd sing. | sísde |
| 3rd sing. | sísdetu |
| 2nd dual | sísdetom |
| 3rd dual | sísdetām |
| 2nd plur. | sísdete |
| 3rd plur. | sísdontu |
Optative
| 1st sing. | sísdōh₂ |
| 2nd sing. | sísdēsi |
| 3rd sing. | sísdēti |
| 1st dual | sísdōwos |
| 2nd dual | sísdētes |
| 3rd dual | sísdētes |
| 1st plur. | sísdōmos |
| 2nd plur. | sísdēte |
| 3rd plur. | sísdōnti |
Participle
sísdonts
Middle Voice
Present
Past
Imperative
Subjunctive
Optative
Participle
Etymology
Thematic i-reduplicated root of *sed- (“to sit”).
Verbs referencing "sísdeti"
Latin
sido, Sanskrit
सीदति, Classical Armenian
նստիմ, Proto-Italic
sizdō.