| 1 | Finnish | postilaatikko | mailbox; inbox, in-tray; live drop, dead drop |
| 2 | Finnish | posti | post, postal service; post office; mail |
| 3 | Swedish | post | postal office; an organization delivering mail... |
| 4 | German | posten | to post; inflection of posen:
##... |
| 5 | English | post | A long dowel or plank protruding from the ground;... |
| 6 | Middle French | poste | — |
| 7 | Italian | posta | mail, post; post office; stakes |
| 8 | Latin | probāre | — |
| 9 | Latin | probō | — |
| 10 | Latin | Probus | — |
| 11 | Proto-Indo-European | pro-bhwo- | being in front, prominent |
| 12 | Proto-Indo-European | pro- | toward, forward |
| 13 | Proto-Indo-European | por- | to give birth; forward, through; going, passage |
| 14 | Proto-Indo-European | per- | before, in front; first; to go through |
| 15 | Proto-Indo-European | pr̥tós | passed , crossed |