| 1 | Old High German | ordinōn | to put in order |
| 2 | Latin | ordino | I arrange, put in order, organize; I rule,... |
| 3 | Latin | ordo | a methodical series, arrangement, or order;... |
| 4 | Proto-Italic | ord-on- | row, order |
| 5 | Proto-Indo-European | h₂er- | to fit, to fix, to put together |