Where does “Dupont” come from?
Dupont (French) comes from French dû, from Old French deü, from Latin dēbēre, from Latin dē, from Latin post, from Latin poste, from Proto-Italic posti, from Proto-Indo-European pósti — afterwards, post; by, at.
Ancestry of “Dupont”, step by step
Dupont traces back through two separate lines of ancestry.
via French dû
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | French | dû | what is owed, money's worth; past participle of... |
| 2 | Old French | deü | Alternative form of deu |
| 3 | Latin | dēbēre | — |
| 4 | Latin | dē | of; concerning; about |
| 5 | Latin | post | behind; after, since, besides, except; behind,... |
| 6 | Latin | poste | ablative singular of postis |
| 7 | Proto-Italic | posti | behind, after |
| 8 | Proto-Indo-European | pósti | after |
| 9 | Proto-Indo-European | pós | afterwards, post; by, at |
via French pont
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | French | pont | bridge; deck |
| 2 | Old French | pont | bridge |
| 3 | Latin | pōns | A bridge, a construction or natural feature that spans a divide |
| 4 | Latin | fractus | broken, shattered, having been broken;... |
| 5 | Latin | frangere | second-person singular future passive indicative... |
| 6 | Latin | frangō | to break, shatter |
| 7 | Proto-Indo-European | bʰrēǵ- | to shine, shimmer |