| 1 | Middle English | libidinous | — |
| 2 | Latin | libidinosus | libidinous, licentious; passionate; yearning for... |
| 3 | Latin | libido | desire, fancy, inclination, longing, pleasure;... |
| 4 | Latin | libet | it is pleasing; it is agreeable; third-person... |
| 5 | Latin | lubet | Alternative form of libet |
| 6 | Proto-Italic | luβēō | to desire |
| 7 | Proto-Indo-European | lewbʰ- | to desire, covet, want; to admire, praise; to... |
| 8 | Proto-Indo-European | lēw- | to sound, resound, sing out; to leave |