Latin word se- comes from Proto-Indo-European *swé (Self (reflexive pronoun).), Proto-Indo-European *swoyos
| Dictionary entry | Language | Definition |
|---|---|---|
| *swé | Proto-Indo-European (ine-pro) | Self (reflexive pronoun). |
| *swoyos | Proto-Indo-European (ine-pro) | |
| *sewos | Proto-Indo-European (ine-pro) | |
| *sovos | Old Latin (itc-ola) | |
| *sowos | Proto-Italic (itc-pro) | His, her, its, their (own); third-person reflexive possessive. |
| suum | Latin (lat) | |
| se- | Latin (lat) | Separately, astray. Without. |