| 1 | English | dutiful | Accepting of one's legal or moral obligations and... |
| 2 | English | duty | That which one is morally or legally obligated to... |
| 3 | Middle English | duete | A charge, fee, or tax; a monetary sum one is owed... |
| 4 | Middle English | dewe | Alternative form of dew; Alternative form of... |
| 5 | Old French | deü | Alternative form of deu |
| 6 | Latin | dēbēre | — |
| 7 | Latin | dē | — |
| 8 | Latin | post | behind; after, since, besides, except; behind,... |
| 9 | Latin | poste | ablative singular of postis |
| 10 | Proto-Italic | posti | — |
| 11 | Proto-Indo-European | pósti | — |
| 12 | Proto-Indo-European | pós | afterwards, post; by, at |