| 1 | Middle English | revelen | To revel; to merry-make or entertain oneself; To... |
| 2 | Middle French | révéler | — |
| 3 | Old French | reveler | to revel; to be disorderly, to make merry; to... |
| 4 | Latin | revelare | present active infinitive of revēlō;... |
| 5 | Latin | velare | present active infinitive of vēlō; second-person... |
| 6 | Latin | velo | I cover, wrap, veil; I conceal, cover |
| 7 | Latin | -o | forms masculine agent nouns, positive and... |
| 8 | Proto-Italic | -ōd | — |
| 9 | Proto-Indo-European | -éad | — |