Where does “sis” come from?
sis (Ido) comes from French six, from Middle French six, from Old French sis, from Latin sex, from Proto-Italic seks, from Proto-Indo-European swéḱs — six.
sis (Ido): six
Ancestry of “sis”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | French | six | six |
| 2 | Middle French | six | six |
| 3 | Old French | sis | six |
| 4 | Latin | sex | six; 6 |
| 5 | Proto-Italic | seks | six |
| 6 | Proto-Indo-European | swéḱs | six |