| 1 | English | favourite | Preferred or liked above all others; Belonging to... |
| 2 | Middle French | favorit | favored one |
| 3 | Old French | favorit | — |
| 4 | Italian | favorito | favourite; mollycoddle; teacher's pet |
| 5 | Italian | favorire | to favour, to favor, to help, to aid, to support;... |
| 6 | Italian | favore | favour |
| 7 | Latin | favor | good will, inclination, partiality, favor;... |
| 8 | Latin | -or | used to form a third-declension masculine... |
| 9 | Proto-Italic | -ōs | Creates masculine action nouns or result nouns... |
| 10 | Proto-Indo-European | -ōs | Creates masculine and feminine action nouns or... |
| 11 | Proto-Indo-European | -oss | — |
| 12 | Proto-Indo-European | -os | Creates action nouns or result nouns from verbs;... |