Where does “dou” come from?
dou (Dutch) comes from Dutch du, from Middle Dutch du, from Old Dutch thū, from Proto-West Germanic þū, from Proto-Germanic *þū, from Proto-Indo-European túh₂ — you, thou.
dou (Dutch): Alternative form of du
Ancestry of “dou”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Dutch | du | thou |
| 2 | Middle Dutch | du | thou, you |
| 3 | Old Dutch | thū | — |
| 4 | Proto-West Germanic | þū | you |
| 5 | Proto-Germanic | *þū | — |
| 6 | Proto-Indo-European | túh₂ | you, thou |