Where does “os” come from?
os (Middle English) comes from Middle English us, from Old English ūs, from Proto-Germanic uns, from Proto-Indo-European n̥smé, from Proto-Indo-European éǵh₂ — I.
os (Middle English): Alternative form of us
Ancestry of “os”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Middle English | us | First-person plural accusative pronoun: us;... |
| 2 | Old English | ūs | us |
| 3 | Proto-Germanic | uns | accusative of *wīz; us |
| 4 | Proto-Indo-European | n̥smé | us |
| 5 | Proto-Indo-European | éǵh₂ | I |