Where does “si” come from?
si (Old Portuguese) comes from Latin sibi, from Proto-Indo-European sébʰye, from Proto-Indo-European swé — self.
si (Old Portuguese): yes, affirmatively
Ancestry of “si”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Latin | sibi | the dative of the reflexive pronoun meaning to... |
| 2 | Proto-Indo-European | sébʰye | — |
| 3 | Proto-Indo-European | swé | self |