| 1 | Middle English | store | supplies, provisions; livestock, farm animals;... |
| 2 | Old French | estor | battle; combat |
| 3 | Frankish | sturm | storm, commotion, battle; storm |
| 4 | Proto-Germanic | sturmaz | storm |
| 5 | Proto-Indo-European | (s)twer- | to rotate, swirl, twirl, move around; to turn... |