Where does “do-” come from?
do- (Irish) comes from Irish dó, from Middle Irish ro-, from Old Irish ro-, from Proto-Celtic ɸro-, from Proto-Indo-European per-, from Proto-Indo-European pr̥tós — passed , crossed.
do- (Irish): Alternative form of dé-; two-
Definitions
- Alternative form of dé-; two-
Ancestry of “do-”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Irish | dó | two; third-person singular masculine of do;... |
| 2 | Middle Irish | ro- | — |
| 3 | Old Irish | ro- | indicates a perfective aspect; indicates... |
| 4 | Proto-Celtic | ɸro- | before, in front of; in addition; to completion |
| 5 | Proto-Indo-European | per- | before, in front; first; to go through |
| 6 | Proto-Indo-European | pr̥tós | passed , crossed |