From Jurchen ši, from Proto-Tungusic *si (“you, thou”). Compare also Evenki си (si), Even хи (hi) and Udihe си.
ᠰᡳ • (si)
| Number | Person | Clusivity | Nominative | Genitive | Dative | Accusative | Ablative |
|---|---|---|---|---|---|---|---|
| Singular | First | — | ᠪᡳ (bi) | ᠮᡳᠨᡳ (mini) | ᠮᡳᠨᡩᡝ (minde) | ᠮᡳᠮᠪᡝ (mimbe) | ᠮᡳᠨᠴᡳ (minci) |
| Second | — | ᠰᡳ (si) | ᠰᡳᠨᡳ (sini) | ᠰᡳᠨᡩᡝ (sinde) | ᠰᡳᠮᠪᡝ (simbe) | ᠰᡳᠨᠴᡳ (sinci) | |
| Third | — | ᡳ (i) | ᡳᠨᡳ (ini) | ᡳᠨᡩᡝ (inde) | ᡳᠮᠪᡝ (imbe) | ᡳᠨᠴᡳ (inci) | |
| Plural | First | Exclusive | ᠪᡝ (be) | ᠮᡝᠨᡳ (meni) | ᠮᡝᠨᡩᡝ (mende) | ᠮᡝᠮᠪᡝ (membe) | ᠮᡝᠨᠴᡳ (menci) |
| Inclusive | ᠮᡠᠰᡝ (muse) | ᠮᡠᠰᡝᡳ (musei) | ᠮᡠᠰᡝᡩᡝ (musede) | ᠮᡠᠰᡝᠪᡝ (musebe) | ᠮᡠᠰᡝᠴᡳ (museci) | ||
| Second | — | ᠰᡠᠸᡝ (suwe) | ᠰᡠᠸᡝᠨᡳ (suweni) | ᠰᡠᠸᡝᠨᡩᡝ (suwende) | ᠰᡠᠸᡝᠮᠪᡝ (suwembe) | ᠰᡠᠸᡝᠨᠴᡳ (suwenci) | |
| Third | — | ᠴᡝ (ce) | ᠴᡝᠨᡳ (ceni) | ᠴᡝᠨᡩᡝ (cende) | ᠴᡝᠮᠪᡝ (cembe) | ᠴᡝᠨᠴᡳ (cenci) |
(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)
ᠰᡳ • (si)