| 1 | English | deploy | To prepare and arrange for use; To unfold, open,... |
| 2 | French | déployer | to spread out, to unfold; to deploy |
| 3 | Middle French | desployer | Alternative form of desploier |
| 4 | Old French | desploier | — |
| 5 | Latin | deplico | I unfold; I explain |
| 6 | Latin | dē- | — |
| 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 |