| 1 | Old French | artillerie | collection of military engins, crossbows, lances... |
| 2 | Old French | artillier | to equip, provide with contraptions |
| 3 | Old French | atiller | to arrange, adjust, put on clothes or,... |
| 4 | Latin | aptāre | — |
| 5 | Latin | aptus | suitable, adapted; ready; apt, proper |
| 6 | Proto-Italic | aptos | — |